Willow Hill School
Sudbury · MA · Private independent · K-12 combined
Similar nearby schools
Most similar nearby schools
Middlesex School → The Guild For Human Services → The Cambridge School Of Weston → Tremont School → Gifford School → The Learning Center For The Deaf → The Rivers School → Brandon School & Residental Treatment →Keep this page current
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How Willow Hill School compares for families
What families should know about Willow Hill School.
- ▸ LocallyMA students outperform the US average on NAEP 8th-grade math (+14 points).
- ▸ vs Similar SchoolsThe closest comparables nearby: Middlesex School, The Guild For Human Services, The Cambridge School Of Weston and 5 more. See the sidebar to compare side-by-side.
For Parents
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Your state's public flagship
University of Massachusetts-Amherst
The in-state tuition gap is the flagship's biggest draw — most in-state families pay far less than the out-of-state sticker. Average net price after aid runs about $22,383/yr. Admission odds depend on your student's GPA and test scores, not which high school they attend.
Source: IPEDS admissions, tuition & enrollment + College Scorecard net price. Flagship = the state's primary public research university.
Enrollment trend & projection
Private school enrollment comes from the NCES Private School Universe Survey (PSS), which is collected every other year — not annually like public-school data. The most recent published collection is 2021–22; NCES targeted spring 2026 for the 2023–24 release — we'll load it as soon as it's published.
If the recent trend holds…
At its recent rate of +1.6%/year, projecting from 2022's 66 students:
An extrapolation of the recent trajectory, not a forecast of the school's plans; ignores one-off shocks.
Most similar nearby high schools
The schools most like this one — same type, blended on distance and size — and where their enrollment is heading. These are the schools families here weigh against each other.
| School | Type | Miles | HS enrollment | Trend |
|---|---|---|---|---|
| Middlesex School Concord |
Private | 5.9 | 409 | — |
| The Guild For Human Services Concord |
Private | 6.5 | 72 | — |
| The Cambridge School Of Weston Weston |
Private | 7.2 | 306 | -7.0% |
| Tremont School Concord |
Private | 7.2 | 39 | — |
| Gifford School Weston |
Private | 7.3 | 90 | — |
| The Learning Center For The Deaf Framingham |
Private | 7.3 | 189 | -5.0% |
| The Rivers School Weston |
Private | 7.5 | 515 | +5.1% |
| Brandon School & Residental Treatment Natick |
Private | 7.5 | 45 | — |
At a glance
JSON · Using this page with an AI assistantWillow Hill School is a private high school in Sudbury, MA, enrolling 66 students in grades 9-12 in 2022.
Enrollment is up 6% from 2018 to 2022.
Sources: National Center for Education Statistics (enrollment), the federal Civil Rights Data Collection and EDFacts, state education agencies where named, and the school's own published documents where named.
Questions families ask
How many students attend Willow Hill School? Willow Hill School is a private high school in Sudbury, MA, enrolling 66 students in grades 9-12 in 2022.
Analysis: Test Prep Gurus (High School Reach, highschoolreach.com). These figures may be quoted with attribution to Test Prep Gurus.
More private high schools in the Boston area, ranked by their published college lists.
What does AI tell parents about Willow Hill School?
When a parent asks an AI assistant about Willow Hill School, the answer is built from a handful of sources, and Reach is often one of them. We will send the admissions office a short report on what AI says about Willow Hill School and where it comes from. The first report is free.
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Related reading
AP courses · October 2026
Test scores · October 2026