Very Good
#408 of 1,815 schools in CO
Top 22% in state
Centennial Middle School
Middle School · Boulder Valley School District No. Re2 · Boulder, CO
A Boulder Valley School District No. Re2 middle school where students score 10 points above what's typical for similar communities.
2205 NORWOOD AVENUE, Boulder, CO 80304
- Math 50% vs CO 35% (2025)
- Reading 60% vs CO 46% (2025)
- 19.3:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Centennial Middle School score 55% proficient, which is above what's typical for similar communities (expected: 45%).
2025 CMAS proficiency
Most recent published year. School vs. CO average.
Trend
↑ RecoveringProficiency declined earlier in the 17-year record (2009–2025), then recovered 11 points since 2020, reaching 55% in 2025.
Show all 15 years
Multi-year averages used by the rating model: math 54% (multi-year average, 2009-2025) · reading/ELA 62% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 35 test records from CO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
34.1%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Centennial Middle School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 33Car-Dependent
- Transit 38Some Transit
- Bike 87Very Bikeable
- City Safety: High3,086/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Boulder), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$121,534
Median home value
$1,166,100
Median rent
$1,956/mo
College educated
77.5%
Homeownership
69.5%
Poverty rate
8.7%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80304; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Shining Mountain Waldorf SchoolPrivate · tuition | 6.9private | PK–12 | 1.1 mi | 199 | Compare → |
| Casey Middle SchoolEnrollment path unverified | 6.7 | 6–8 | 1.6 mi | 393 | Compare → |
| Manhattan Middle School of the Arts and AcademicsEnrollment path unverified | 8.3 | 6–8 | 4.1 mi | 418 | Compare → |
| Nevin Platt Middle SchoolEnrollment path unverified | 7.6 | 6–8 | 4.2 mi | 503 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Boulder Valley School District No. Re2
- Schools in district
- 56
- Rank in district
- #38 of 54
- District spending per student
- $17,172NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 6.0%Census SAIPE · 2024
Centennial Middle School is listed in Boulder Valley School District No. Re2; a district label does not verify attendance for an address.
About Centennial Middle School
Centennial Middle School is a public middle school in Boulder, CO, part of Boulder Valley School District No. Re2, serving approximately 619 students in grades 6th-8th with a 19.3:1 student-teacher ratio. It holds a MySchoolScout rating of 7.7 out of 10 and ranks #408 of 1,815 schools in CO.
State assessment records show 54% math proficiency (multi-year average, 2009-2025) and 62% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Centennial Middle School
What grades does Centennial Middle School serve?
Centennial Middle School serves students in grades 6th through 8th.
How many students attend Centennial Middle School?
Centennial Middle School has an enrollment of approximately 619 students.
What is the student-teacher ratio at Centennial Middle School?
The student-teacher ratio at Centennial Middle School is 19.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Centennial Middle School rank in CO?
Centennial Middle School ranks #408 of 1,815 schools in CO.
What is Centennial Middle School's MySchoolScout rating?
Centennial Middle School has a current MySchoolScout rating of 7.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Centennial Middle School?
Based on loaded state assessment records, Centennial Middle School has 54% math proficiency (multi-year average, 2009-2025) and 62% reading/ELA proficiency (multi-year average, 2009-2025).
Is Centennial Middle School a charter school?
No, Centennial Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Centennial Middle School a Title I school?
No, Centennial Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Centennial Middle School?
34.1% of students at Centennial Middle School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 6th – 8th
- Enrollment
- 619
- Student-Teacher Ratio
- 19.3:1
- Teachers (FTE)
- 32
- Type
- regular
- Setting
- Midsize City
- County
- Boulder County
- Chronic Absenteeism (SY 2022-23)
- 20.2%
- Phone
- (720) 561-5441
- Area population (ZIP 80304)
- 25,634
- Area average commute
- 18.1 min
- Area median age
- 41.5
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 CMAS · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 CMAS · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 80304; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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