Serving 540 students in grades 6-8, Centennial Middle School ranks in the bottom 50% of all schools in Colorado for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 25% (which is lower than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 42% (which is lower than the Colorado state average of 45%).
The student-teacher ratio of 15:1 is equal to the Colorado state level of 15:1.
Minority enrollment is 48% of the student body (majority Hispanic), which is lower than the Colorado state average of 51% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 540 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 48%
- Overall Testing Rank: Bottom 50% in CO
- Math Proficiency: 25% (Btm 50%)
- Reading Proficiency: 42% (Top 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Centennial Middle School's student population of 540 students has declined by 8% over five school years.
The teacher population of 37 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
540 students
Total Classroom Teachers
37 teachers
Year Founded
2025
School Motto
Within a challenging and joyful learning environment where relationships come first, Centennial Middle School will leverage quality teaching, character education, and a rigorous curriculum to inspire a lifetime of learning.
School Rankings
Centennial Middle School ranks within the bottom 50% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Centennial Middle School is 0.56, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#937 out of 1748 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
25%
33%
Reading/Language Arts Test Scores (% Proficient)
42%
45%
Science Test Scores (% Proficient)
(20-21)10-14%
29%
Student-Teacher Ratio
15:1
15:1
American Indian
1%
1%
Asian
1%
3%
Hispanic
42%
37%
Black
1%
5%
White
52%
49%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Eligible for Free Lunch
45%
39%
Eligible for Reduced Lunch
8%
5%
School Statewide Testing
School District Name
Montrose County School District Re-1j
Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Notes
- School Mascot: Rattle Snakes
Frequently Asked Questions
What is Centennial Middle School's ranking?
Centennial Middle School is ranked #937 out of 1,748 schools, which ranks it among the bottom 50% of public schools in Colorado.
What schools are Centennial Middle School often compared to?
Centennial Middle Schoolis often viewed alongside schools like Columbine Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
25% of students have achieved math proficiency (compared to the 33% CO state average), while 42% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Centennial Middle School?
540 students attend Centennial Middle School.
What is the racial composition of the student body?
52% of Centennial Middle School students are White, 42% of students are Hispanic, 3% of students are Two or more races, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Centennial Middle School?
Centennial Middle School has a student ration of 15:1, which is equal to the Colorado state average of 15:1.
What grades does Centennial Middle School offer ?
Centennial Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Centennial Middle School part of?
Centennial Middle School is part of Montrose County School District Re-1j.
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