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Public School Review - Established 2003

Best Costilla County Public Preschools (2026)

For the 2026 school year, there are 2 public preschools serving 488 students in Costilla County, CO.
The top-ranked public preschools in Costilla County, CO are Sierra Grande K-12 School and Centennial School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Costilla County, CO public preschools have an average math proficiency score of 7% (versus the Colorado public pre school average of 35%), and reading proficiency score of 22% (versus the 43% statewide average). Pre schools in Costilla County have an average ranking of 1/10, which is in the bottom 50% of Colorado public pre schools.
Minority enrollment is 84% of the student body (majority Hispanic), which is more than the Colorado public preschool average of 54% (majority Hispanic).

Best Public Preschools in Costilla County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sierra Grande K-12 School
(Math: 6-9% | Reading: 20-24%)
Rank:
1/
10
Bottom 50%
17523 East Highway 160
Blanca, CO 81123
(719) 379-3257
Gr: PK-12 | 307 students Student-teacher ratio: 22:1 Minority enrollment: 84%
Rank: #22.
Centennial School
(Math: ≤5% | Reading: 20-24%)
Rank:
1/
10
Bottom 50%
909 North Main Street
San Luis, CO 81152
(719) 672-3322
Gr: PK-12 | 186 students Student-teacher ratio: 12:1 Minority enrollment: 82%

Frequently Asked Questions

What are the top-ranked public preschools in Costilla County, CO?
The top-ranked public preschools in Costilla County, CO include Sierra Grande K-12 School and Centennial School.
How many public preschools are located in Costillaunty?
2 public preschools are located in Costillaunty.
What is the racial composition of students in Costillaunty?
Costillaunty public preschools minority enrollment is 84% of the student body (majority Hispanic), which is more than the Colorado public preschools average of 54% (majority Hispanic).
Which public preschools in Costillaunty are often viewed compared to one another?
Popular comparisons of public preschools in Costillaunty include: Sierra Grande K-12 School vs. Centennial School, Centennial School vs. Sierra Grande K-12 School

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