Serving 619 students in grades 6-8, Centennial Middle School ranks in the top 50% of all schools in Colorado for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 42% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 52% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 19:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 35% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).
Quick Facts (2025)
- Grades: 6-8
- Enrollment: 619 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 35%
- Overall Testing Rank: Top 50% in CO
- Math Proficiency: 42% (Top 30%)
- Reading Proficiency: 52% (Top 30%)
- Science Proficiency: 35-39% (Top 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Centennial Middle School's student population of 619 students has stayed relatively flat over five school years.
The teacher population of 32 teachers has declined by 5% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
619 students
Gender %
Total Classroom Teachers
32 teachers
School Calendar
Last Day of School
Fri. May 22, 2026
School Rankings
Centennial Middle School ranks within the top 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 0.51, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#539 out of 1748 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
42%
33%
Reading/Language Arts Test Scores (% Proficient)
52%
45%
Science Test Scores (% Proficient)
(20-21)35-39%
29%
Student-Teacher Ratio
19:1
15:1
American Indian
n/a
1%
Asian
3%
3%
Hispanic
26%
36%
Black
1%
5%
White
65%
50%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Eligible for Free Lunch
32%
39%
Eligible for Reduced Lunch
2%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Centennial Middle School's ranking?
Centennial Middle School is ranked #539 out of 1,748 schools, which ranks it among the top 50% of public schools in Colorado.
What schools are Centennial Middle School often compared to?
Centennial Middle Schoolis often viewed alongside schools like Summit Middle Charter School, Casey Middle School, Southern Hills Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
42% of students have achieved math proficiency (compared to the 33% CO state average), while 52% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Centennial Middle School?
619 students attend Centennial Middle School.
What is the racial composition of the student body?
65% of Centennial Middle School students are White, 26% of students are Hispanic, 5% of students are Two or more races, 3% 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 19:1, which is higher than 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 Boulder Valley School District No. Re2.
In what neighborhood is Centennial Middle School located?
Centennial Middle School is located in the Rural North Boulder neighborhood of Boulder, CO. There are 1 other public schools located in Rural North Boulder.
School Reviews
5 3/10/2018
really good school
5 9/9/2017
All of my kids loved it. All three of them recived a wonderful education and had some of the best years of their life.
2 5/11/2009
The staff don't seem to care for students, and if at all, favorite some. Students aren't supervised well, making it easier for them to harass others.
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