St. Vrain Community Montessori School

Located at 1055 DELAWARE AVE., in LONGMONT, Colorado, St. Vrain Community Montessori School is a low-enrollment K-5 school that teaches 260 students (grades pre-K through 8), part of St. Vrain Valley School District No. Re1J. By comparison, Colorado's public schools average about 379 students each, so St. Vrain Community Montessori School sits 31% smaller than that benchmark.

St. Vrain Community Montessori School is one of 54 schools operated by St. Vrain Valley School District No. Re1J, a district that caters to 31,607 students overall.

Demographically, St. Vrain Community Montessori School shows that 80% of students identify as White, making the school strongly White-majority. Beyond that, the school records 11% Hispanic, 7% multiracial. That composition is broadly in line with Boulder County as a whole.

On the resource side, Staff filings list 21 full-time-equivalent teachers, which works out to roughly 12.2:1 students per teacher. The state averages around 16.6:1, so this campus is tighter than the state norm typical. About 15% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Boulder County runs at roughly 33%, so the school's eligibility rate is meaningfully below the surrounding baseline.

In the surrounding community, community-level numbers for Boulder County indicate median household income runs about $103,994, roughly 64% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. St. Vrain Community Montessori School is one of 86 public schools in Boulder County (combined enrollment of about 42,200 students).

The closest other public school is Twin Peaks Classical Academy, roughly 0.5 miles away. Within five miles, there are 8 other public schools.

St. Vrain Community Montessori School operates from a commuter-belt location. St. Vrain Community Montessori School is a charter school, which puts it inside the public-school system but outside the standard district-managed model.

Looking at the recent track record. Over the past 7-year window, the student count contracted 4%: 270 students in 2018 compared to 260 in 2025. White enrollment moved from 86% to 80% across the same window. Class-load math has pulled in: from 15.0:1 in 2018 to 12.2:1 in 2025.

On this page, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.