Sierra Grande K-12 School
Public · Grades Pre-K–12 · 307 students
Centennial School
909 North Main Street, San Luis, CO 81152
Grades
Pre-K–12
Other
Students
186
Enrolled 2024–25
Students per teacher
12.1 : 1
Full-time teachers
District
Centennial School District No. R-1
Costilla County
Schola Grade F · Far below average
Letter grade (A–F) · compared with 63 Colorado K–8, K–12 and other combined schools · How we grade
Percentiles compare this school with other Colorado K–8, K–12 and other combined schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Centennial School
Centennial School is a public school in San Luis, Colorado, serving grades Pre-K–12. It is part of Centennial School District No. R-1. The school is located in a remote rural area in Costilla County.
In the 2024–25 school year, 186 students were enrolled, with about 12.1 students for every full-time teacher. Its Schola Grade is F (far below average), compared with 63 Colorado K–8, K–12 and other combined schools.
Grades & enrollment
Students per grade, 2024–25Grades Pre-K–12
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- Other
- Grades offered
- Pre-K–12
- Enrollment (2024–25)
- 186 students
- Students per teacher
- 12.1 to 1
- AP courses offered
- 1
- Charter school
- No
- Magnet school
- No
- Locale
- Rural — Remote
- School district
- Centennial School District No. R-1
- County
- Costilla County
- NCES school ID
- 080636001416
Schools near Centennial School
All 1 schools in San Luis →School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.