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B−

Ross Montessori School

PublicElementaryGrades PK–8Charter

109 Lewies Lane, Carbondale, CO 81623 · (970) 963-7199

Carbondale’s School Grade B− better than 50% of Colorado school districts

Directions
Students
183
Students per teacher
19:1
Free or reduced lunch
38%
Setting
Town
Grades
PK–8
The gist

What stands out about Ross Montessori School

  • Its own letter, B−: better results than 47% of Colorado’s public schools
  • Math proficiency 9 pts below the state
  • Reading / language arts 5 pts below the state
  • Enrollment down 41.5% since 2020–21

Test scores

2020–21
Math proficiency22%
State average 30.5%
Reading / language arts42%
State average 47%

Its own letter, B−, places these results among Colorado’s 1,665 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

109 Lewies Lane, Carbondale

Students

Enrollment by grade
Pre-K6
Kindergarten15
Grade 116
Grade 218
Grade 325
Grade 426
Grade 522
Grade 626
Grade 714
Grade 815
Enrollment over time
313’20
310’21
250’22
213’23
183’24

Down 41.5% since 2020–21.

Who goes here
White 55%Hispanic 39%Two or more races 3%Black 2%Asian 1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Ross Montessori School from Carbondale families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Colorado’s other public schools; Carbondale’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.