Quick facts
- Tuition 2026–27
- $68,550 a year, Grades 5–12. Tuition and aidWinsor says its $6.6 million aid budget supports 25% of students, with grants from $5,900 to full tuition.
- Fall 2027 dates
- Application and all documents by Jan. 15, 2027 · decisions Mar. 10 at 3 p.m. How to applyGrades 5–8 register for the ISEE and Grades 9–11 for the SSAT by Jan. 15, 2027. Scholarship forms and the Clarity aid application are also due Jan. 15.
- Parent portal
- Blackbaud myschoolapp login. Portal login
- School calendar
- School calendar. Calendar
- Location
- 103 Pilgrim Road, Boston, MA 02215
Checked against The Winsor School’s own pages on October 8, 2026.
- School
- Girls’ day school · Grades 5–12
- Planned entry
- Grades 5 · 6 · 9
- Fall 2027 file
- Due Jan. 15, 2027
- Published day
- 8:10–2:50
- Known tuition
- $68,550
- Need-based aid
- $6.6M · 25% of students
476 students in the 2026–27 college profile
Only small numbers in Grades 7, 10, and 11
ISEE for Grades 5–8; SSAT for Grades 9–11
Wednesday starts at 9; Lower School care runs to 5:30
2026–27; the 2027–28 rate is not yet public
School-reported; awards run from $5,900 to full tuition
Interviews, visits, and testing
Winsor watches how a student joins a group
Every entry route uses a group interview instead of a traditional one-to-one student interview. Grade 9 combines a Winsor student-led small-group interview with the tour; parents and guardians have a separate Zoom conversation.
Winsor does not publish the group size, duration, prompts, scoring rubric, observer roles, or the interview’s weight in the final decision.
Grades 5–8 submit the ISEE and Grades 9–11 the SSAT. The school recommends October or November, discourages repeated attempts, considers every submitted result, and does not superscore.
It publishes neither a cutoff nor the distribution of admitted scores. The file also includes transcripts, recommendations, student writing, and the group-interview performance.
Preparation should look like participation, not polish: practice entering a conversation, building on someone else’s point, recovering after being interrupted, and asking an honest question.
For a student with testing accommodations, social anxiety, selective mutism, autism, or another communication difference, ask in writing what Winsor can change without altering the evaluated task; the public pages do not answer that.
Girls-school model and culture
The setting is the education, not a demographic footnote
Winsor considers applicants who identify as female and applicants assigned female at birth who do not identify as male. It says a current student who later identifies differently remains supported and keeps a home at Winsor.
Families for whom this is relevant should ask how names, pronouns, teams, health care, records, and the school’s language about girls and women work in practice.
The lived structure is deliberately intergenerational: all-school assembly is student-led each Friday; Grade 5 and Grade 8 are buddy classes; Lower School clubs sit inside the schedule; and the school lists seven voluntary affinity-group programs across both divisions. These are credible mechanisms for connection.
They do not prove that every student feels belonging or that academic comparison disappears.
Niche displayed 115 self-selected reviews on September 3. Recent posts praise confidence, access to teachers, friendships, and trying new activities; other recent posts describe heavy work, pressure, uneven mental-health or neurodiversity support, and commute fatigue.
The authors are unverified and the sample is not tied to enrollment, so this is not a culture poll. It is a strong list of topics to test in student conversations.
A 2021 issue of the student newspaper recorded criticism of Winsor’s response to racial inequity. That is historical student journalism, not a finding about the current administration or 2026 student life.
The fair follow-up is concrete: what changed, how belonging is measured now, and what the Board’s equity committee has learned from current students.
The working week
A short-looking day carries nightly work and a crowded afternoon
Classes run 8:10 a.m.–2:50 p.m. on Monday, Tuesday, Thursday, and Friday; Wednesday begins at 9. Most courses meet for five 60-minute periods in a seven-day cycle.
The calendar has two semesters, so course changes and grades do not follow a trimester rhythm.
Lower School is highly structured: English, math, science, history, world language, arts, health, physical education, STEM, advisory or homeroom, assembly, clubs, and study time all compete for the cycle. Grade 5 chooses one of French, Latin, Mandarin, or Spanish for the four-year Lower School sequence; a new Grade 6 student also chooses among the four.
That makes later entry with a language mismatch a placement question, not a detail.
In Upper School, a typical semester is five major courses, health in one semester, and sometimes a minor. Winsor explicitly says majors usually require nightly homework.
A sixth major requires division-head approval and a credit-overage petition; minors meet less often and are supposed to carry less work outside class. That is a meaningful limit, not a promise of a light evening.
Academics and course access
Depth is the design; collecting the most labels is not
The diploma requires 19.25 academic credits plus specified noncredit work. Students complete four years of English; three years each of one world language and math; two and a half years each of history and science; seven semesters of physical activity; three semesters of health; arts work; a senior quantitative course; and the Independent Learning Experience.
Grade 9 is mostly prescribed: English, history, biology, world language, math, health, and usually art.
Choice opens later. Juniors pair a regional literature course with Global Studies history and write an 8–10 page original research paper.
Seniors usually take five majors in fall, then four majors plus the ILE seminar in spring before completing a mentored independent project in May. A student may choose a fifth spring major, but the capstone—not maximum course stacking—is the center of that semester.
Winsor reports 13 AP courses concentrated in math, science, and languages and says it is very rare for a student to take more than four APs over the entire high-school program. Junior and senior English and history electives are taught at the school’s highest level without conventional AP branding.
This is a coherent anti-treadmill model; a student seeking a vast à-la-carte AP catalog should not pretend it is something else.
The school advertises a 13-student average class and 7:1 ratio. Neither measures the largest required section, elective access, or timetable conflicts.
Later entrants should map language level, math placement, arts credits, and the 19.25-credit requirement before accepting an offer—especially in Grades 10 or 11.
Academic and emotional support
Winsor teaches strategies; it does not publish a special-education menu
The Academic Support Office is open to any student for study habits, note-taking, test preparation, executive-function strategies, and self-advocacy. The teaching and learning specialist collaborates with faculty and families, monitors progress, interprets psychoeducational reports, and decides whether classroom accommodations are warranted.
Peer tutoring is also available.
That is useful access support, but the public pages do not promise specialized instruction, reading or math remediation, speech or occupational therapy, one-to-one aides, implementation of a public-school IEP, or every accommodation recommended by an outside evaluator. Winsor specifically asks families to consult its specialist before commissioning an evaluation.
For a child with significant needs, obtain the proposed supports, provider, frequency, progress measure, and exclusions in writing before enrollment.
Two counselors provide appointments and drop-in support, consultation, and referrals to outside clinicians. The school does not publish counselor caseloads, session frequency or limits, response times, confidentiality boundaries, after-hours crisis coverage, or whether referred care is available quickly and covered by aid.
Those are essential questions for a student with an established mental-health plan or a history of school-related distress.
Health and emergency care
Daily health coverage is visible; the contingency plan is not
Winsor names a registered nurse as director of health services. The office tracks immunizations, administers scheduled medications, triages illness and injury, monitors asthma and allergy plans, and maintains medical records.
Athletics separately lists a head athletic trainer. That is a stronger public staffing picture than a generic promise of wellness.
The public pages do not state the nurse’s coverage hours, who substitutes, whether the athletic trainer covers every practice and away contest, or the protocols for concussion return-to-learn, diabetes, emergency medication, AED response, hospital transfer, or family notification. Longwood’s hospitals are nearby, but proximity is not a school emergency plan.
Ask for the current plan and walk through your child’s condition or sport.
Arts, athletics, and clubs
Breadth is real; access is the family-level question
Arts are curricular as well as extracurricular. The public program spans drawing, painting, sculpture, ceramics, photography, animation, music, dance, acting, theater production, and design.
Every Grade 5 student helps make the first-semester class play; Grade 8 stages two versions of the Shakespeare production; the after-school theater program serves both divisions across fall, winter, and spring.
The graduation page requires 1.25 arts credits, while the college profile summarizes the requirement as three semesters. Those may describe the same mix of quarter- and half-credit courses, but later entrants should have the registrar map the requirement.
Ask too whether ensembles, productions, and advanced studio courses audition, cap enrollment, or collide with sports and the late bus.
Students in Grades 6–12 may try out for 14 sports. The team directory shows multiple levels in basketball, field hockey, soccer, lacrosse, squash, swimming, tennis, and volleyball, plus varsity, novice, or club paths in others.
“Try out” is not “guaranteed a roster”: ask which teams cut, who practices off campus, what a beginner can join, when dismissal occurs, and how away-game transport returns to Winsor.
Lower School chooses one faculty-advised club per semester in a scheduled block. Upper School clubs are student-run and meet at lunch or other open times; Winsor says more than 50 are planned for 2026–27.
That number measures proposed options, not stable participation. Ask which clubs actually met through the prior year and which have an adult adviser and reliable time now.
Fenway/Longwood logistics
The new 5:30 buses help—but only if your hub works
Winsor is at 103 Pilgrim Road, beside the Longwood Medical Area and a walk from the Green Line D branch’s Longwood stop. The school also points to buses on Brookline Avenue and to Lansdowne and Ruggles connections.
Its directions page still names CT2 and CT3, identifiers that no longer appear in the live MBTA schedules; use the current trip planner rather than copying the school’s route list. The free MASCO shuttle from Ruggles is described for faculty and staff, not students.
The 2026–27 Winsor bus document is a substantial improvement over the old no-late-bus pattern. Six morning routes serve parts of Dover, Westwood, Needham, Newton, Brookline, Lexington, Winchester, Canton, Boston, Milton, Concord, Belmont, Cambridge, Wellesley, Brighton, and Weston.
Morning rides can be long: Canton Library is scheduled at 6:10 for a 7:55 arrival.
Afternoon buses leave at 3:05 and, for North, South, and West hubs, again at 5:30. The late runs have fewer stops: Cambridge/Belmont/Lexington; Dorchester/Milton/Randolph; or Brookline/Newton/Wellesley/Weston.
They are not the reverse of all six morning routes. Compare the actual 5:30 hub with the child’s activity end time and final ride home.
The FAQ calls the private bus fee-based but publishes no price. The current route sheet does not state registration terms, drop-in access, seat guarantees, or aid.
A 2024–25 document said no drop-ins and that aid could offset bus cost, but those are prior-cycle terms. Lower School supervision is free through 5:30—the same moment the late buses depart—so families should confirm the handoff rather than assume it works.
Full cost and financial aid
$68,550 is the starting number, not the Fall 2027 budget
Tuition is $68,550 for 2026–27; Winsor has not published the 2027–28 rate. The school reports a $6.6 million need-based aid budget, 25% of students receiving aid, awards from $5,900 through full tuition, and 100% of school-determined need related to a Winsor education.
It offers no merit aid.
The scope language matters. A regular grant may reach full tuition; the LEAD Scholarship for Boston residents entering Grade 5 or 6 is described more broadly as a seven- or eight-year award covering all attendance costs.
Hynes-Condon, for eligible entrants in Grades 5, 6, 7, or 9, covers 20%–80% of tuition through graduation. Do not assume “full tuition,” “all attendance costs,” and “full demonstrated need” buy the same things.
The public page does not give one all-in list for lunch, books, devices, trips, supplies, athletics, arts, private bus, outside clinicians, evaluations, or parent events. Ask for a 2027–28 cost sheet and an aid example that names each covered and uncovered item.
Also ask whether ordinary need-based grants renew automatically, what can change the award, and what emergency support exists midyear.
For Fall 2027, Clarity runs September 16–January 15 and charges $65 unless its system applies a waiver. Winsor requires information from all living parents; separated households file separately, while a single parent must document status.
Tuition SneakPeek requests are due December 1 and promise an estimate after a short call without affecting admission. Use that program before treating Winsor as financially viable.
Where students actually enter
Grades 5, 6, and 9 are planned; the others depend on space
Winsor calls Grades 5, 6, and 9 cohort-entry grades. It also accepts applications for a small number of places in Grades 7, 10, and 11.
There is no public Grade 8 or Grade 12 route, no rolling or midyear admission, and no visa sponsorship for international applicants.
Older federal enrollment data helps size the doors without pretending to be current admissions data. In 2023–24, NCES counted 32 students in Grade 5, 60 in Grade 6, 59 in Grade 7, 60 in Grade 8, and 69 in Grade 9.
The jump into Grade 6 was much larger than the jump into Grade 9 that year. Class-size differences are not seat counts—departures and retention matter—but they are a useful warning that “cohort entry” does not mean equally many openings.
Grade 5 asks for the ISEE, records, a student questionnaire, a current classroom-teacher recommendation, and a school-leader recommendation. Grades 6 and 7 replace the classroom recommendation with English and math recommendations.
Grade 9—the principal Upper School door—uses the SSAT and also asks for a graded English or history essay. Grades 10 and 11 use the later-entry version of that file.
Winsor publishes no grade-specific counts for applications, offers, enrolled students, sibling or legacy priority, wait-list movement, or financial-aid demand. Ask for three completed cycles for your exact grade.
Outside Grades 5, 6, and 9, build the list as though no seat will open.
Fall 2027 calendar
The deadlines are finally current; the opening date still conflicts
The live how-to-apply page is populated with Fall 2027 checklists and says applications are available. Yet the aid page opens the 2027–28 Clarity season on September 16, 2026, and the visit page says Fall 2027 tours are booked through Ravenna beginning then.
Since this guide is dated September 3, treat September 16 as the practical launch and verify that the Ravenna checklist is active before relying on the earlier wording.
The controlling public dates are now coherent: testing and all application materials are due January 15, 2027, and decisions are scheduled for March 10 at 3 p.m. Grade 7 has a single published group-interview date, January 12; the joint Grades 10–11 interview is January 13.
Grade 5, 6, and 9 families self-book available sessions in Ravenna.
The useful public events are specific rather than interchangeable: the in-person season opener is October 8; Lower and Upper virtual open houses are November 18; the Grade 9 transition webinar is December 16; and graduate voices is January 6.
Tours are only for students eligible to apply for Fall 2027, release a few weeks at a time, and are first-come, first-served in Ravenna.
The honest Winsor decision happens after 2:50 p.m.
Winsor’s academic architecture is unusually legible. Five major courses, a real overload barrier, prescribed early Upper School work, Global Studies, and the senior ILE point toward depth rather than endless credential accumulation.
For the right student, that is a strength. It does not make the work light: the school says major courses normally bring nightly homework.
Grade 6 looks like the broadest historical expansion, while Grade 9 is a smaller but intentional Upper School intake. We would apply at either door only if the student likes the girls-school environment in its own right.
Warm marketing, a strong destination list, and 115 anonymous review-site opinions cannot answer that question for her.
Sources and further research
Where to verify and keep reading
We favor direct links to the exact page or document a family may need next. Access dates matter because admissions, tuition, leadership, and programs change.
- The Winsor School
The Winsor School · Accessed September 3, 2026 · Schoolwide figures for class size, student-teacher ratio, college destinations, and programs.
- How to Apply
The Winsor School · Accessed September 3, 2026 · Fall 2027 grade routes, checklists, testing, interviews, deadlines, and decisions.
- Admission FAQs
The Winsor School · Accessed September 3, 2026 · Eligibility, gender inclusion, testing, aid, school hours, after-school care, and transit.
- Events and Tours
The Winsor School · Accessed September 3, 2026 · Fall 2027 event calendar, tour eligibility, booking, and group interviews.
- Tuition and Financial Aid
The Winsor School · Accessed September 3, 2026 · 2026–27 tuition; aid budget and range; scholarship, SneakPeek, Clarity, and parent-information rules.
- Academic Schedule
The Winsor School · Accessed September 3, 2026 · Seven-day cycle and grade-by-grade Lower School program.
- Upper School Credits and Schedule
The Winsor School · Accessed September 3, 2026 · Five-major norm, nightly homework, minor-course workload, pass/fail, and overload approval.
- Upper School Graduation Requirements
The Winsor School · Accessed September 3, 2026 · 19.25-credit total, subject sequence, arts requirement, quantitative course, and ILE.
- Departments
The Winsor School · Accessed September 3, 2026 · Writing-intensive curriculum and four world-language pathways.
- 5 Things to Know About Grades and Course Selection
The Winsor School · Accessed September 3, 2026 · April 2026 explanation of course rigor, balance, and unweighted GPA.
- Academic Support
The Winsor School · Accessed September 3, 2026 · Study strategies, self-advocacy, evaluation interpretation, and accommodation decisions.
- Wellness Programming
The Winsor School · Accessed September 3, 2026 · Peer tutoring, two counselors, outside referrals, nurse staffing, and health-service scope.
- Community Life
The Winsor School · Accessed September 3, 2026 · Assembly, clubs, affinity structures, Boston setting, and Class of 2026 size.
- Community and Inclusion
The Winsor School · Accessed September 3, 2026 · Gender policy, seven affinity-group programs, Student Equity Board, and Board equity oversight.
- Arts
The Winsor School · Accessed September 3, 2026 · Disciplines, facilities, traditions, and curricular arts participation.
- Performing Arts
The Winsor School · Accessed September 3, 2026 · Grade 5 play, Grade 8 Shakespeare project, ensembles, and after-school theater.
- Athletics
The Winsor School · Accessed September 3, 2026 · Grade 6–12 tryouts, 14-sport statement, affiliations, and athletic-trainer staffing.
- All Teams
The Winsor School · Accessed September 3, 2026 · Current sport and level directory.
- Student Clubs
The Winsor School · Accessed September 3, 2026 · Scheduled Lower School clubs and more than 50 planned Upper School clubs for 2026–27.
- College Counseling
The Winsor School · Accessed September 3, 2026 · Counselor assignment, department staffing, and 2023–26 destination framing.
- 2026–27 Profile for Colleges
The Winsor School · Accessed September 3, 2026 · Enrollment, grading, curriculum, AP access, staffing, senior-class, and matriculation evidence.
- Celebrating the Class of 2026
The Winsor School · Accessed September 3, 2026 · School-reported denominator of 65 graduates in the Class of 2026.
- Leadership
The Winsor School · Accessed September 3, 2026 · Current head, administrative council, trustees, officers, and Winsor Corporation role.
- Principles and Accreditations
The Winsor School · Accessed September 3, 2026 · AISNE accreditation claim and school principles; wording differs from the college profile.
- Supporting a Safe Community
The Winsor School · Accessed September 3, 2026 · Contacts, adult conduct, reporting, harassment, retaliation, investigation, and mandated-reporting language, excerpted from 2025–26 handbooks.
- Report Child Abuse or Neglect as a Mandated Reporter
Commonwealth of Massachusetts · Accessed September 3, 2026 · Official direct DCF reporting instructions and timing.
- Winsor School Inc.
ProPublica Nonprofit Explorer · Accessed September 3, 2026 · Fiscal-year 2024 Form 990 data filed May 2026; financial context, not program evidence.
- February 2021 Issue
The Panel, Winsor student newspaper · Accessed September 3, 2026 · Historical student criticism of racial climate; not evidence of current conditions.
- Contact and Directions
The Winsor School · Accessed September 3, 2026 · Campus address, D-branch walk, bus and rail guidance, and faculty/staff-only MASCO shuttle note.
- Winsor Bus Service 2026–27
The Winsor School · Accessed September 3, 2026 · Six morning routes plus 3:05 and 5:30 North, South, and West hub schedules.
- 2024–25 Bus Information
The Winsor School · Accessed September 3, 2026 · Prior-cycle no-drop-in and aid language, retained only as a question for current terms.
- Schedules and Maps
Massachusetts Bay Transportation Authority · Accessed September 3, 2026 · Current route-planning source; school directions retain obsolete route identifiers.
- Private School Search: The Winsor School
National Center for Education Statistics · Accessed September 3, 2026 · Official 2023–24 enrollment by grade; historical context, not admission-seat data.
- The Winsor School Reviews
Niche · Accessed September 3, 2026 · 115 self-selected, unverified reviews used only to identify questions about pressure, support, belonging, activities, and commute.