Ross Montessori School

Ross Montessori School

Charter Elementary, Middle School | Grade K-8
109 Lewies Ln,  Carbondale, CO
5.0
3.8
250 Students
B-
Niche Grade

School Details

Head of School
Sonya Hemmen
Student Teacher Ratio
19:1
Math Proficiency
17%
Reading Proficiency
37%

Niche Grade

C+
Academics
B+
Teachers
Source: Niche
Niche Grades

Niche grades and rankings are calculated using dozens of public data sets and millions of reviews. Niche data scientists and user researchers rigorously analyze data and user opinions to assess the key aspects of K-12 Schools, Colleges, and Places to Live. Every month, millions of students and families use the Niche grades and report cards to find the right school or neighborhood.

Niche Grade Details

Academics
Reading Proficiency
37%
Math Proficiency
17%
Teachers
Student Teacher Ratio
19:1
Teachers
13
Full Time Teachers
13
Teachers in First or Second Year
13.5%

GreatSchools Rating

Source: GreatSchools
GreatSchools Rating
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology

GreatSchools Rating Details

Test Scores

Math
28.4%
State Average
25%
Science
48.6%
State Average
30.7%
GreatSchools Test Scores Rating
GreatSchools
The Test Score Rating reflects annual state test results for this school compared with scores statewide.

Student Diversity

Female
52.8%
Male
47.2%
White
63.6%
Hispanic
32.4%
Two or more races
2.4%
Asian or Pacific Islander
1.2%
Black
<1%
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Specialty School Programs

Free/Reduced Lunch Offered

This School’s Reviews

Niche Reviews
5.0 4 Reviews
5.0 Alum
12/1/2022
Ross Montessori is a one of a kind school in the Roaring Fork Valley that shapes their students to become strong, independent, and ready to learn in the classroom from the day they start as students there, to the day they move onto college. Ross is a fantastic school with incredible administration and I wouldn't recommend a better school locally.
GreatSchools Reviews
3.8 22 Reviews
1.0 parent
2/7/2025
The other reviews that mention the negative aspects of this school, specifically regarding the head of school, are 100% truth and factual. This head of school and her second in command know no boundaries. They gossip to staff and friends about parents with alleged drug problems and laugh as they sha...
1.0 parent
7/29/2024
Many families and staff continue to leave this school- turn and RUN! Your child will not receive language, music, extracurriculars, or other staple learning pieces standard for education today. Bullying takes place and is ignored, including the principal humiliating children and staff alike.Families...
5.0 parent
1/31/2021
My daughters experience at Ross Montessori has been magnificent. She loves to learn and has a strong work ethic because this school. Her teacher is the most caring snd strong woman imaginable. The teachers are at Ross because it’s a unique school that focuses on the child.
4.0 parent
1/22/2021
Our 3 children have thrived at Ross. Our girls continually perform above grade level, and are confident out in the world.Our experience with the teachers has been wonderful. They are easy to access, a d willing to help in any way. They hold true to the Montessori method, and encourage individuality...

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