Ross Montessori School

Charter

Regular School · CARBONDALE, CO

Ross Montessori School is a charter regular school school in CARBONDALE, Colorado, serving grades PK–08 with 183 students enrolled (SY 2024-2025). The student-teacher ratio is 19.2:1.

Level

Elementary

Grades

PK – 08

Enrollment

183

Teachers (FTE)

9.6

Student–Teacher Ratio

19.2:1

Status

Open

Lunch Program Participation

Yes participating without using any Provision or the CEO

Student Demographics (SY 2024-2025)

Race / Ethnicity	Students	Share
White	100	55%
Hispanic/Latino	71	39%
Two or more races	5	3%
Black or African American	4	2%
Asian	2	1%
American Indian / Alaska Native	1	1%
Total enrollment	183	85M / 98F

English Language Learners: 49 (27% of enrollment) · SY 2021–22

Academic Performance (SY 2021-2022)

Metric	This School	State Avg	Tested
Math Proficiency	20-24%	32.2%	75
Reading Proficiency	40-44%	55.2%	87
Science Proficiency	40-59%	—	20

Source: EDFacts, SY 2020–2021. Suppressed values (e.g. <=10%) indicate fewer than the minimum reportable threshold.

Stanford Achievement Estimate

Pooled score across SY 2009–2022 (grades 3–8), expressed in grade levels relative to the national average. Positive = above average.

Overall (Math + ELA)

+0.21 grade levels

Math

-0.38 grade levels

Programs & Discipline

Gifted & Talented

Program offered

18 students enrolled

Out-of-School Suspensions

0.5% of enrollment · SY 2021–22

Chronically Absent

104

56.8% of enrollment · SY 2019–20

Source: Civil Rights Data Collection (CRDC), Office for Civil Rights & EDFacts.

Lunch Program (SY 2024-2025)

Category	Students	% of School
Total enrollment (est.)	183	100%

Contact & Location

109 LEWIES LANE

CARBONDALE, CO 81623

Phone: (970)963-7199

District

State Charter School Institute

Per-pupil expenditure: $14,877

District enrollment: 19,239

Other Schools in District

Academy of Arts and Knowledge Elementary Elementary
Ascent Classical Academy of Northern Denver Elementary
Axis International Academy Elementary
Colorado International Language Academy Elementary
Colorado Springs Charter Academy Elementary
Community Leadership Academy Elementary
Coperni 3 Elementary
Crown Pointe Charter Academy Elementary

View all 41 schools →

Related Data

Neighborhood demographics (ZIP 81623) → CensusDepth.com
Colorado population & income data → CensusDepth.com
Colorado teacher salaries → WageDepth.com

NCES ID

080002001913

Data sources: NCES CCD SY 2024-2025 (directory, staff, lunch), EDFacts SY 2020-21 (assessments), CRDC SY 2021-22 (programs & discipline), SEDA v6.0 (achievement estimates). Updated annually. NCES CCD