Serving 598 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 36% of the student body (majority Hispanic), which is lower than the Colorado state average of 51% (majority Hispanic).
Quick Facts (26-27)
- Grades: 6-8
- Enrollment: 598 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 36%
- Overall Testing Rank: Top 50% in CO
- Math Proficiency: 42% (Top 30%)
- Reading Proficiency: 52% (Top 30%)
- Science Proficiency: 35-39% (Top 50%)
- Attendance Zone: Centennial Middle School serves the northeast part of Boulder, CO, covering an attendance zone of approximately 52.5 square miles. Families can typically expect a drive of 10-15 minutes to reach the school, with the furthest edge of the zone being about 13.2 miles away.
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Centennial Middle School's student population of 598 students has grown by 9% over five school years.
The teacher population of 31 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
598 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
31 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
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 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#539 out of 1748 schools
(Top 50%)
(Top 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
42%
33%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
52%
45%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
(20-21)35-39%
29%
Student-Teacher Ratio
19:1
15:1
Showing 2015–2025. Full 39-year historical data available below ↓
Asian
2%
3%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
29%
37%
Showing 2015–2025. Full 38-year historical data available below ↓
Black
1%
5%
Showing 2008–2025. Full 38-year historical data available below ↓
White
64%
49%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
4%
5%
Showing 2015–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Chronically Absent Students
(22-23)20.9%
33.6%
Eligible for Free Lunch
29%
39%
Showing 2015–2025. Full 37-year historical data available below ↓
Eligible for Reduced Lunch
4%
5%
Showing 2015–2025. Full 26-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
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 Casey Middle School, Southern Hills Middle School, Summit Middle Charter 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?
598 students attend Centennial Middle School.
What is the racial composition of the student body?
64% of Centennial Middle School students are White, 29% of students are Hispanic, 4% of students are Two or more races, 2% 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 Calendar
View the Centennial Middle School yearly calendar below. Note key dates such as:
Event
Date
No School - Thanksgiving Break
November 23, 2026 (Monday)
No School - Thanksgiving Break
November 24, 2026 (Tuesday)
No School - Thanksgiving Break
November 25, 2026 (Wednesday)
No School - Thanksgiving Break
November 26, 2026 (Thursday)
No School - Thanksgiving Break
November 27, 2026 (Friday)
School Reviews
2 10/10/2025
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.
5 10/10/2025
All of my kids loved it. All three of them recived a wonderful education and had some of the best years of their life.
5 10/10/2025
really good school
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