Centennial School

909 North Main Street
San Luis, CO 81152
(School attendance zone shown in map)
1/
10
Bottom 50%
Serving 186 students in grades Prekindergarten-12, Centennial School ranks in the bottom 50% of all schools in Colorado for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤5% (which is lower than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 20-24% (which is lower than the Colorado state average of 45%).
The student-teacher ratio of 17:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 85% of the student body (majority Hispanic), which is higher than the Colorado state average of 50% (majority Hispanic).

Quick Facts (2025)

  • Grades: Prekindergarten-12
  • Enrollment: 186 students
  • Student-Teacher Ratio: 17:1
  • Minority Enrollment: 85%
  • : ≥50% (Btm 50% in CO)
  • : Bottom 50%
  • : ≤5% (Btm 50%)
  • : 20-24% (Btm 50%)
  • : <50% (Top 10%)
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

Top Rankings

Centennial School ranks among the top 20% of public schools in Colorado for:

School Overview

Centennial School's student population of 186 students has declined by 14% over five school years.
The teacher population of 11 teachers has declined by 15% over five school years.
Grades Offered
Grades Prekindergarten-12
(No virtual instruction)
Total Students
186 students
Gender %
Total Classroom Teachers
11 teachers

School Rankings

Centennial School ranks within the bottom 50% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Centennial School is 0.27, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CO)
#1619 out of 1748 schools
(Bottom 50%)
≤5%
33%
20-24%
45%
(20-21)
<50%
29%
Student-Teacher Ratio
17:1
15:1
American Indian
n/a
1%
Asian
n/a
3%
Hispanic
84%
36%
Black
n/a
5%
White
15%
50%
Hawaiian
1%
n/a
Two or more races
n/a
5%
All Ethnic Groups
0.27
≥50%
82%
Eligible for Free Lunch
87%
39%
Eligible for Reduced Lunch
6%
6%
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Profile last updated: 02/09/2025

Frequently Asked Questions

What is Centennial School's ranking?
Centennial School is ranked #1619 out of 1,748 schools, which ranks it among the bottom 50% of public schools in Colorado.
What schools are Centennial School often compared to?
Centennial Schoolis often viewed alongside schools like Sierra Grande K-12 School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 33% CO state average), while 20-24% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Centennial School?
The graduation rate of Centennial School is 50%, which is lower than the Colorado state average of 82%.
How many students attend Centennial School?
186 students attend Centennial School.
What is the racial composition of the student body?
84% of Centennial School students are Hispanic, 15% of students are White, and 1% of students are Hawaiian.
What is the student-teacher ratio of Centennial School?
Centennial School has a student ration of 17:1, which is higher than the Colorado state average of 15:1.
What grades does Centennial School offer ?
Centennial School offers enrollment in grades Prekindergarten-12 (No virtual instruction).
What school district is Centennial School part of?
Centennial School is part of Centennial School District No. R-1.

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Quick Facts (2025)

  • Grades: Prekindergarten-12
  • Enrollment: 186 students
  • Student-Teacher Ratio: 17:1
  • Minority Enrollment: 85%
  • : ≥50% (Btm 50%)
  • : Bottom 50%
  • : ≤5% (Btm 50%)
  • : 20-24% (Btm 50%)
  • : <50% (Top 10%)
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

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