Trivium School
Lancaster · MA · Catholic religious-affiliated · K-12 combined
Similar nearby schools
Most similar nearby schools
Immaculate Heart Of Mary School → South Lancaster Academy → St Bernard'S High School Inc → Doctor Franklin Perkins School → Rfk Don Watson Academy → Notre Dame Academy → Groton School → St Paul Diocesan Jr/Sr High School →Keep this page current
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How Trivium School compares for families
What families should know about Trivium School.
- ▸ LocallyMA students outperform the US average on NAEP 8th-grade math (+14 points).
- ▸ vs Similar SchoolsThe closest comparables nearby: Immaculate Heart Of Mary School, South Lancaster Academy, St Bernard'S High School Inc 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 +6.7%/year, projecting from 2022's 92 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 |
|---|---|---|---|---|
| Immaculate Heart Of Mary School Harvard |
Private | 3.7 | 126 | -10.6% |
| South Lancaster Academy South Lancaster |
Private | 1.1 | 259 | -4.4% |
| St Bernard'S High School Inc Fitchburg |
Private | 9.3 | 187 | +21.4% |
| Doctor Franklin Perkins School Lancaster |
Private | 0.9 | 124 | -13.3% |
| Rfk Don Watson Academy Lancaster |
Private | 1.9 | 17 | — |
| Notre Dame Academy Worcester |
Private | 14.2 | 243 | +26.6% |
| Groton School Groton |
Private | 10.6 | 379 | -0.8% |
| St Paul Diocesan Jr/Sr High School Worcester |
Private | 16.0 | 486 | -14.7% |
At a glance
JSON · Using this page with an AI assistantTrivium School is a private high school in Lancaster, MA, enrolling 92 students in grades 9-12 in 2022.
Enrollment is up 30% 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 Trivium School? Trivium School is a private high school in Lancaster, MA, enrolling 92 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.
What does AI tell parents about Trivium School?
When a parent asks an AI assistant about Trivium 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 Trivium 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