Similar nearby schools
Most similar nearby schools
Glenhaven Academy → Advanced Math and Science Academy Charter School → Marlborough High → Central Area → West Area → Southeast Area → East Area → Algonquin Regional High →📋 At a glance
- Program details not reported to CRDC
- Academic signals not yet ingested for this school
Composed from federal CRDC offerings, EDFacts ACGR, and other public data. Full breakdowns below.
How St Mark'S School compares for families
What families should know about St Mark'S School.
- ▸ LocallyMA students outperform the US average on NAEP 8th-grade math (+14 points).
- ▸ vs Similar SchoolsThe closest comparables nearby: Glenhaven Academy, Advanced Math and Science Academy Charter School, Marlborough High and 5 more. See the sidebar to compare side-by-side.
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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 +0.7%/year, projecting from 2022's 375 students:
An extrapolation of the recent trajectory, not a forecast of the school's plans; ignores one-off shocks.
Revenue upside
At tuition per student, the 13 students projected to be gained by 2027 represent ≈ $208,000/year in tuition upside.
Tuition is an editable estimate (PSS doesn't publish tuition) — set it to your school's figure.
Nearby high schools — the local competition
The closest high schools families here also consider, and where their enrollment is heading.
| School | Type | Miles | HS enrollment | Trend |
|---|---|---|---|---|
| Glenhaven Academy Marlborough |
Private | 2.0 | 35 | — |
| Advanced Math and Science Academy Charter School Marlborough |
Public · charter | 3.0 | 542 | -3.7% |
| Marlborough High Marlborough |
Public | 3.8 | 972 | -4.0% |
| Central Area Westborough |
Public | 3.9 | — | — |
| West Area Westborough |
Public | 3.9 | — | — |
| Southeast Area Westborough |
Public | 3.9 | — | — |
| East Area Westborough |
Public | 3.9 | — | — |
| Algonquin Regional High Northborough |
Public | 4.4 | 1,181 | -6.0% |