Average
#1245 of 1,815 schools in CO
Centennial School
School · Centennial School District No. R-1
P.O. BOX 350, San Luis, CO 81152
Enrollment
186
Student-Teacher
16.9:1
Score
5.6
Grades
Pre-K – 12th
Enrollment
186
Student-Teacher
16.9:1
Score
5.6
Grades
Pre-K – 12th
Updated
2022-23
Updated 2022-23
How this school compares
Colorado schools
#63 of 130
Academic growth
8.4 / 10
Very strong
About Centennial School
Centennial School is a PK through 12 regular public school nestled in the remote rural area of San Luis, Costilla County. With an enrollment of 186 students and a student-teacher ratio of 16.9:1, Centennial offers personalized attention to each child's learning needs. The dedicated staff includes 11 full-time equivalent teachers who work tirelessly to support their students.
Centennial School is currently ranked at the 27th percentile among Colorado schools, with room for academic growth as reflected in its MySchoolScout rating of 4.1/10 and an academic score of 2.2/10. Students are working towards improving proficiency levels in ELA and math, where only 16% and 12% respectively meet or exceed state standards. Despite the challenges presented by its remote location, Centennial School is committed to fostering a supportive learning environment that encourages student development and community engagement.
The school's setting offers a unique rural backdrop, providing students with a close-knit community feel while they strive for academic improvement.
What Parents Should Know
With an enrollment of 186 students, Centennial School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
Located in a rural area, Centennial School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
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Centennial School — Students at Centennial School score 17% proficient, which is above what's typical for similar communities (expected: 15%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
93.5%
Students qualifying for federal meal assistance
Test Scores CO CMAS (2024-25)
Based on 9 test records from CO state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.4/10.
How Centennial School Compares
See how Centennial School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 7.5% (2019) to 18.18% (2025). Reading/ELA proficiency has declined from 22% (2019) to 16.36% (2025).
Location
P.O. BOX 350, San Luis, CO 81152
Nearby Alternatives
Families considering Centennial School may also want to explore other schools in the area. Sangre de Cristo Elementary School (rated 8.3/10, 41.0 miles away, in nearby Mosca), which scores notably higher. Another option is QUESTA JR HIGH (rated 7.8/10, 34.4 miles away, in nearby Questa), which scores notably higher. Additionally, ALTA VISTA INTERMEDIATE (rated 7.5/10, 35.1 miles away, in nearby Questa), which scores notably higher. For more schools in San Luis, see our San Luis schools guide .
Nearby Schools
19 within 41.0 mi| School | Distance | Rating |
|---|---|---|
| Sierra Grande K-12 School Blanca | 15.5 mi | 6.7 |
| Sanford Elementary School Sanford | 26.9 mi | 6.8 |
| Sanford Junior/Senior High School Sanford | 26.9 mi | 4.9 |
| QUESTA HIGH Questa | 34.4 mi | 7.4 |
| QUESTA JR HIGH Questa | 34.4 mi | 7.8 |
| La Veta Elementary School La Veta | 30.6 mi | 4.6 |
| La Veta Junior-Senior High School La Veta | 30.6 mi | 5.7 |
| ALTA VISTA INTERMEDIATE Questa | 35.1 mi | 7.5 |
| ALTA VISTA ELEMENTARY Questa | 35.1 mi | 3.6 |
| Alamosa Elementary School 3-5 Alamosa | 30.8 mi | 4.6 |
| TRINITY LUTHERAN SCHOOL Alamosa | 31.1 mi | — |
| Alamosa Elementary School K-2 Alamosa | 30.9 mi | 6.5 |
| Ortega Middle School Alamosa | 31.4 mi | 5.3 |
| Alamosa Online Alamosa | 31.4 mi | — |
| Alamosa Alternative Education School Alamosa | 31.4 mi | — |
| SUNSHINE CHRISTIAN SCHOOL Alamosa | 31.9 mi | — |
| Alamosa High School Alamosa | 32.1 mi | 6.7 |
| Sangre de Cristo Elementary School Mosca | 41.0 mi | 8.3 |
| Sangre de Cristo Undivided High School Mosca | 41.0 mi | 7.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 81152 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$30,709
Median Home Value
$135,900
Median Rent
$719/mo
Population
1,203
College Educated
25.1%
Homeownership
65.1%
Poverty Rate
24.3%
Median Age
41.2
Community Profile
The community surrounding Centennial School has a median household income of $30,709. It is an area where 25% of adults hold a bachelor's degree or higher. The median home value in the area is $135,900, with a median rent of $719/month. The area has a poverty rate of 24.3%, indicating some economic challenges in the community. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| De Beque PK-12 School District 49JT De Beque, CO | 5.6 |
| Lake George Charter School Lake George, CO | 5.6 |
| Spark Online Academy Colorado Springs, CO | 5.6 |
| Boulder Universal Boulder, CO | 5.5 |
| AUGUSTINE CLASSICAL ACADEMY Lakewood, CO | 5.4 |
| Hi-Plains School District R-23 Seibert, CO | 5.4 |
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 is ranked #1245 out of 1,815 schools in CO.
What is Centennial School's MySchoolScout rating?
Centennial School has a composite rating of 5.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Centennial School?
Based on the most recent state assessment data, Centennial School has 11.6% math proficiency and 15.5% reading/ELA proficiency.
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.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 12th
- Enrollment
- 186
- Student-Teacher Ratio
- 16.9:1
- Teachers (FTE)
- 11
- Free/Reduced Lunch
- 93.5%
- Type
- regular
- Setting
- Remote Rural
- County
- Costilla County
- Phone
- (719) 672-3322
- Data Year
- 2023–2024
Resources & Links
District
Centennial School District No. R-1- District Enrollment
- 186
- Schools in District
- 1
- Per-Pupil Spending
- $24,415
- District Rank
- #1 of 1
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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