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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

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

Full Profile · 4/4 metrics
Student Progress8.4Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change+1.01 pts/yr
Data Period2019–2025
TrendImproving
Academics5.0Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency18.2%
Reading/ELA Proficiency16.4%
Math vs. State Avg-17.9 pts
Reading vs. State Avg-28.5 pts
Overall Proficiency17%
Expected (poverty-adj.)15%
vs. Expected+2.3 pts
Adjusted Percentile31th
College Readiness1.9Significantly Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation2.2%
IB ProgramNo
Resources & Environment8.2Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio16.9:1
Per-Pupil Spending$19,005

Centennial School — Students at Centennial School score 17% proficient, which is above what's typical for similar communities (expected: 15%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

93.5%

Students qualifying for federal meal assistance

Test Scores CO CMAS (2024-25)

Math Proficiency 11.6%
School
State
36.5%
ELA Proficiency 15.5%
School
State
44.8%

Based on 9 test records from CO state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
7.5%
ELA
22%
2021*
Math
5%
ELA
5%
2022
Math
2.5%
2025
Math
21.6%
ELA
17.6%

* 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.

Overall Score
5.6/10
32th percentile in CO
Academic
5.0/10
5.0/10
Growth
8.4/10
Above average
Environment
8.2/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
94%
Teaching Staff
17:1 student-teacher ratio
11 teachers

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.

11 schools nearby View map →

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
Data Year
2023–2024

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 methodology

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