Similar nearby schools
Most similar nearby schools
Williamsburg Academy of Colorado → Boulder High School → Watershed School → New Vista High School → Tara Performing Arts High School → Shining Mountain Waldorf School → Fairview High School → Temple Grandin School →📋 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 September School compares for families
What families should know about September School.
- ▸ LocallyCO students outperform the US average on NAEP 8th-grade math (+4 points).
- ▸ vs Similar SchoolsThe closest comparables nearby: Williamsburg Academy of Colorado, Boulder High School, Watershed School 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 +23.3%/year, projecting from 2022's 74 students:
An extrapolation of the recent trajectory, not a forecast of the school's plans; ignores one-off shocks.
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 |
|---|---|---|---|---|
| Williamsburg Academy of Colorado BOULDER |
Public | 1.1 | 307 | — |
| Boulder High School BOULDER |
Public | 1.3 | 1,939 | -9.4% |
| Watershed School Boulder |
Private | 1.6 | 111 | — |
| New Vista High School BOULDER |
Public | 1.8 | 327 | +14.3% |
| Tara Performing Arts High School Boulder |
Private | 3.0 | 55 | — |
| Shining Mountain Waldorf School Boulder |
Private | 3.0 | 199 | -19.4% |
| Fairview High School BOULDER |
Public | 3.9 | 1,863 | -5.8% |
| Temple Grandin School Boulder |
Private | 4.6 | 18 | — |