Ross Montessori School
🇺🇸 Official data · 2025Carbondale, Colorado 81623 · State Charter School Institute
#597 of 993 elementary schools in Colorado
#33932 of 50,301 nationally
About Ross Montessori School
Ross Montessori School is a charter elementary located in Carbondale, in the State Charter School Institute school district of Colorado, United States. It caters for Grades PK–8. In 2025 it enrolled 183 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 37.1 out of 100, placing it in the lower 50% of elementary schools in United States and 597th of 993 ranked elementary schools in Colorado. Its strongest component is community advantage (fewer free/reduced-price lunch) (74th percentile), and its weakest is math proficiency (11th percentile).
Other published figures: enrollment 183.
There are 5 schools in Carbondale; Ross Montessori School ranks 5th of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)22%
- Reading proficiency (30%)42%
- Community advantage (fewer free/reduced-price lunch) (25%)38.3%
- Students per teacher (15%)20.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Ross Montessori School by the official sources.
- Enrollment
- 183
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 38.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 20.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 22%
- Share of tested students proficient or above (all students, all grades).
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Schools near Ross Montessori School
Closest schools by straight-line distance, with their Success Index (US).
Carbondale Middle School
Carbondale · Public middle · Grades 5–8
362 students · 572 m away
Crystal River Elementary School
Carbondale · Public elementary · Grades PK–4
445 students · 629 m away
Roaring Fork High School
Carbondale · Public high · Grades 9–12
472 students · 1.1 km away
Carbondale Community Charter School
Carbondale · Charter elementary · Grades K–8
143 students · 2.2 km away
Riverview School
Glenwood Springs · Public elementary · Grades PK–8
383 students · 12 km away
Similar schools
Charter elementary schools in Colorado with a comparable Enrollment.
Cardinal Community Academy Charter School
Keenesburg · Charter elementary · Grades K–8
182 students
Salida Montessori Charter School
Salida · Charter elementary · Grades PK–8
186 students
The Juniper School
Durango · Charter elementary · Grades K–8
171 students
Academy 360
Denver · Charter elementary · Grades PK–5
201 students
James Irwin Elementary School - Howard
Colorado Springs · Charter elementary · Grades K–5
213 students
KIPP Sunshine Peak Elementary
Denver · Charter elementary · Grades PK–4
146 students
Frequently asked questions
Is Ross Montessori School a good school?
Ross Montessori School has a Success Index (US) of 37.1 out of 100 (Lower 50% of elementary schools in United States) and ranks #597 of 993 in Colorado. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Ross Montessori School rank in Colorado?
Ross Montessori School ranks #597 of 993 elementary schools in Colorado and #33932 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Ross Montessori School?
Ross Montessori School had 183 students in 2025.
Is Ross Montessori School a elementary school or a high school?
Ross Montessori School is classified as a elementary covering Grades PK–8. It is a charter school.
What other schools are near Ross Montessori School?
There are 5 schools within 15 km of Ross Montessori School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.