Average
#1036 of 1,815 schools in CO
Centennial School
School · Centennial School District No. R-1 · San Luis, CO
A school in San Luis, CO serving grades Pre-K – 12th.
P.O. BOX 350, San Luis, CO 81152
- Math 22% vs CO 37% (2025)
- Reading 18% vs CO 45% (2025)
- 50%+ 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
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Students at Centennial School score 17% proficient, which is above what's typical for similar communities (expected: 15%).
2025 CMAS proficiency
Most recent published year. School vs. CO average.
Trend
↑ RecoveringProficiency declined earlier in the 17-year record (2009–2025), then recovered 15 points since 2020, reaching 20% in 2025.
Show all 15 years
Multi-year averages used by the rating model: math 15% (multi-year average, 2009-2025) · reading/ELA 34% (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 31 test records from CO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
93.5%
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 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 19Car-Dependent
- Bike 28Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$30,709
Median home value
$135,900
Median rent
$719/mo
College educated
25.1%
Homeownership
65.1%
Poverty rate
24.3%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 81152; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
0 from verified nearby records
No verified same-level alternatives
The available nearby set has no same-level school with a verified grade span.
Centennial School District No. R-1
- Schools in district
- 1
- Rank in district
- #1 of 1
- District spending per student
- $24,415NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 32.5%Census SAIPE · 2024
Centennial School is listed in Centennial School District No. R-1; a district label does not verify attendance for an address.
About Centennial School
Centennial School is a public school in San Luis, CO, part of Centennial School District No. R-1, serving approximately 186 students in grades Pre-K-12th with a 16.9:1 student-teacher ratio. It holds a MySchoolScout rating of 5.9 out of 10 and ranks #1,036 of 1,815 schools in CO.
State assessment records show 15% math proficiency (multi-year average, 2009-2025) and 34% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Centennial School
What grades does Centennial School serve?
Centennial School serves students in grades Pre-K through 12th.
How many students attend Centennial School?
Centennial School has an enrollment of approximately 186 students.
What is the student-teacher ratio at Centennial School?
The student-teacher ratio at Centennial School is 16.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Centennial School rank in CO?
Centennial School ranks #1,036 of 1,815 schools in CO.
What is Centennial School's MySchoolScout rating?
Centennial School has a current MySchoolScout rating of 5.9 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 School?
Based on loaded state assessment records, Centennial School has 15% math proficiency (multi-year average, 2009-2025) and 34% reading/ELA proficiency (multi-year average, 2009-2025).
Is Centennial School a charter school?
No, Centennial School is not a charter school. It is a traditional public school operated by the local school district.
Is Centennial School a Title I school?
No, Centennial School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Centennial School?
93.5% of students at Centennial 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
- Pre-K – 12th
- Enrollment
- 186
- Student-Teacher Ratio
- 16.9:1
- Teachers (FTE)
- 11
- Type
- regular
- Setting
- Remote Rural
- County
- Costilla County
- Chronic Absenteeism (SY 2022-23)
- 46.2%
- Phone
- (719) 672-3322
- 4-Year Graduation
- 50%+
- Area population (ZIP 81152)
- 1,203
- Area median age
- 41.2
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 81152; 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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