Serving 307 students in grades Prekindergarten-12, Sierra Grande K-12 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 6-9% (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 22:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 84% of the student body (majority Hispanic), which is higher than the Colorado state average of 51% (majority Hispanic).
Quick Facts (26-27)
- Grades: Prekindergarten-12
- Enrollment: 307 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 84%
- Graduation Rate: 60-79% (Btm 50% in CO)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 6-9% (Btm 50%)
- Reading Proficiency: 20-24% (Btm 50%)
- Science Proficiency: ≤10% (Btm 50%)
- Attendance Zone: Sierra Grande K-12 School's attendance zone encompasses the entire district in Blanca, CO, covering approximately 561.6 square miles. Families typically drive 20-30 minutes to reach the school, with an average distance of 16 miles from the school to the edge of the zone, extending up to 22.7 miles at its furthest point.
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Sierra Grande K-12 School's student population of 307 students has grown by 17% over five school years.
The teacher population of 14 teachers has declined by 36% over five school years.
Grades Offered
Grades Prekindergarten-12
(No virtual instruction)
(No virtual instruction)
Total Students
307 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
14 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
Year Founded
2025
School Calendar
School Rankings
Sierra Grande K-12 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 Sierra Grande K-12 School is 0.35, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1583 out of 1748 schools
(Bottom 50%)
(Bottom 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
6-9%
33%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
20-24%
45%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
(20-21)≤10%
29%
Student-Teacher Ratio
22:1
15:1
Showing 2015–2025. Full 39-year historical data available below ↓
Hispanic
79%
37%
Showing 2015–2025. Full 38-year historical data available below ↓
Black
1%
5%
Showing 2003–2025. Full 33-year historical data available below ↓
White
16%
49%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
4%
5%
Showing 2015–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Graduation Rate
60-79%
82.7%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(22-23)31.3%
33.6%
Eligible for Free Lunch
70%
39%
Showing 2015–2025. Full 37-year historical data available below ↓
Eligible for Reduced Lunch
9%
5%
Showing 2015–2025. Full 26-year historical data available below ↓
School Statewide Testing
School District Name
Sports
Colors
Panther Colors
School Mascot
Panthers
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Sierra Grande K-12 School's ranking?
Sierra Grande K-12 School is ranked #1583 out of 1,748 schools, which ranks it among the bottom 50% of public schools in Colorado.
What schools are Sierra Grande K-12 School often compared to?
Sierra Grande K-12 Schoolis often viewed alongside schools like Centennial School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
6-9% 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 Sierra Grande K-12 School?
The graduation rate of Sierra Grande K-12 School is 60-79%, which is lower than the Colorado state average of 82.7%.
How many students attend Sierra Grande K-12 School?
307 students attend Sierra Grande K-12 School.
What is the racial composition of the student body?
79% of Sierra Grande K-12 School students are Hispanic, 16% of students are White, 4% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Sierra Grande K-12 School?
Sierra Grande K-12 School has a student ration of 22:1, which is higher than the Colorado state average of 15:1.
What grades does Sierra Grande K-12 School offer ?
Sierra Grande K-12 School offers enrollment in grades Prekindergarten-12 (No virtual instruction).
What school district is Sierra Grande K-12 School part of?
Sierra Grande K-12 School is part of Sierra Grande School District No. R-30.
School Reviews
5 10/10/2025
Great school if you use the opportunities given to you.
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