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Average

#694 of 1,815 schools in CO

Top 38% in state

Sierra Grande K-12 School

School · Sierra Grande School District No. R-30

17523 EAST HIGHWAY 160, Blanca, CO 81123

Enrollment

302

Student-Teacher

15.9:1

Score

6.9

Grades

Pre-K – 12th

Data vintage2022-23

How this school compares

Colorado schools

#694 of 1,815

School environment

7.8 / 10

Very Good

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Sierra Grande K-12 School

6.9/10

School in Blanca · grades Pre-K – 12th. Start here, then compare fit against nearby and district options.

Centennial School

5.9/10

15.5 mi away. Use as a geographic alternative in the same move search.

Trinity Lutheran School

Nearby

23.4 mi away. Use as a geographic alternative in the same move search.

About Sierra Grande K-12 School

Sierra Grande K-12 School is a public school in Blanca, CO, part of Sierra Grande School District No. R-30. Sierra Grande K-12 School serves approximately 302 students, and covers grades Pre-K-12th, and has a 15.9:1 student-teacher ratio.

Sierra Grande K-12 School has a current MySchoolScout rating of 6.9 out of 10 and ranks #694 of 1,815 schools in CO. Structured state assessment records for Sierra Grande K-12 School show 25% math proficiency (multi-year average, 2009-2025) and 36% reading/ELA proficiency (multi-year average, 2009-2025).

How it compares0.7 pts above CO schools
  • This school 6.9 · Average
  • CO avg 6.2

What Parents Should Know

Sierra Grande K-12 School sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.

32% of students at Sierra Grande K-12 School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress6.4Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-3.36 pts/yr
Data Period2009–2025
TrendDeclining
Academics4.9Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency15.4% (2025 CMAS)
Reading/ELA Proficiency24.4% (2025 CMAS)
Math vs. State Avg-20.7 pts
Reading vs. State Avg-20.5 pts
Overall Proficiency20% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)21% (model expectation from 2025 CMAS)
vs. Expected-1.3 pts
Adjusted Percentile31th
College Readiness8.4Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate50%+
IB ProgramNo
Resources & Environment7.8Very Good20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.9:1
Per-Pupil Spending$17,862
Chronic Absenteeism31.8%

Sierra Grande K-12 School — Students at Sierra Grande K-12 School score 20% proficient, which is below what's typical for similar communities (expected: 21%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

81.8%

Students qualifying for federal meal assistance

Test Scores CO CMAS (2024-25)

Math Proficiency 24.9% (multi-year average, 2009-2025)
School
State
38.1% (2025 CMAS)
ELA Proficiency 35.8% (multi-year average, 2009-2025)
School
State
45.5% (2025 CMAS)

Based on 38 test records from CO state assessments. About our data

Proficiency Trend

↓ Declining

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

2009
Math
64.5%
ELA
84.5%
2010
Math
64.5%
ELA
95%
2011
Math
24.5%
ELA
64.5%
2012
Math
15%
ELA
54.5%
2013
Math
52%
ELA
57%
2014
Math
22%
ELA
17%
2015
Math
17%
ELA
17%
2016
Math
12%
ELA
17%
2017
Math
12%
ELA
17%
2018
Math
22%
ELA
27%
2019
Math
22%
ELA
27%
2020*
Math
7.5%
ELA
32%
2021*
Math
7.5%
ELA
32%
2022
Math
12%
2025
Math
23.6%
ELA
25%

* 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: 6.4/10.

How Sierra Grande K-12 School Compares

See how Sierra Grande K-12 School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.9/10
62th percentile in CO
Academic
4.9/10
Below Average
Growth
6.4/10
Average
Environment
7.8/10
Very Good
Sports
9
4 boys' · 5 girls'
Advanced STEM
3/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
82%
Teaching Staff
16:1 student-teacher ratio
19 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
31.8%

Programs & Offerings

Athletics9sports offered
4 boys'·5 girls'·9 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses3 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

17523 EAST HIGHWAY 160, Blanca, CO 81123

Nearby Alternatives

Families considering Sierra Grande K-12 School may also want to explore other schools in the area. Sangre de Cristo Elementary School (rated 8.4/10, 28.8 miles away, in nearby Mosca), which scores notably higher. Another option is Sangre de Cristo Undivided High School (rated 7.8/10, 28.8 miles away, in nearby Mosca), which scores slightly higher. Additionally, Manassa Elementary School (rated 7.8/10, 31.9 miles away, in nearby Manassa), which scores slightly higher. For more schools in Blanca, see our Blanca schools guide .

Nearby Schools

17 within 31.9 mi
School Distance Rating
Centennial School San Luis 15.5 mi 5.9
TRINITY LUTHERAN SCHOOL Alamosa 23.4 mi
Alamosa Elementary School 3-5 Alamosa 23.6 mi 5.8
Alamosa Elementary School K-2 Alamosa 23.7 mi 5.7
Ortega Middle School Alamosa 23.8 mi 4.4
Alamosa Online Alamosa 23.9 mi
Alamosa Alternative Education School Alamosa 23.9 mi
SUNSHINE CHRISTIAN SCHOOL Alamosa 24.3 mi
Alamosa High School Alamosa 24.3 mi 7.2
La Veta Elementary School La Veta 25.1 mi 4.1
La Veta Junior-Senior High School La Veta 25.1 mi 5.7
Gardner Valley School Gardner 29.0 mi 2.9
Sanford Elementary School Sanford 27.6 mi 6.4
Sanford Junior/Senior High School Sanford 27.6 mi 6.3
Sangre de Cristo Elementary School Mosca 28.8 mi 8.4
Sangre de Cristo Undivided High School Mosca 28.8 mi 7.8
Manassa Elementary School Manassa 31.9 mi 7.8

Neighborhood Census ACS (2019-2023)

Census data for ZIP 81123 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$37,173

Median Home Value

$123,800

Population

726

College Educated

17.4%

Homeownership

81.8%

Poverty Rate

22.3%

Median Age

48.3

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
MILE HIGH ACADEMY Highlands Ranch, CO 6.9
SHINING MOUNTAIN WALDORF SCHOOL Boulder, CO 6.9
FRONT RANGE CHRISTIAN SCHOOL Littleton, CO 7.0
Hoehne Schools Hoehne, CO 7.0
Norwood Public Schools Norwood, CO 6.7
PSD Global Academy Fort Collins, CO 6.7

Frequently Asked Questions

Common questions about Sierra Grande K-12 School

What grades does Sierra Grande K-12 School serve?

Sierra Grande K-12 School serves students in grades Pre-K through 12th.

How many students attend Sierra Grande K-12 School?

Sierra Grande K-12 School has an enrollment of approximately 302 students.

What is the student-teacher ratio at Sierra Grande K-12 School?

The student-teacher ratio at Sierra Grande K-12 School is 15.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Sierra Grande K-12 School rank in CO?

Sierra Grande K-12 School ranks #694 of 1,815 schools in CO.

What is Sierra Grande K-12 School's MySchoolScout rating?

Sierra Grande K-12 School has a current MySchoolScout rating of 6.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Sierra Grande K-12 School?

Based on loaded state assessment records, Sierra Grande K-12 School has 25% math proficiency (multi-year average, 2009-2025) and 36% reading/ELA proficiency (multi-year average, 2009-2025).

Is Sierra Grande K-12 School a charter school?

No, Sierra Grande K-12 School is not a charter school. It is a traditional public school operated by the local school district.

Is Sierra Grande K-12 School a Title I school?

No, Sierra Grande K-12 School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Sierra Grande K-12 School?

81.8% of students at Sierra Grande K-12 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 →

Neighborhood Context

Walk Score
3 Car-Dependent
Bike Score
19 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 12th
Enrollment
302
Student-Teacher Ratio
15.9:1
Teachers (FTE)
19
Free/Reduced Lunch
81.8%
Type
regular
Setting
Remote Rural
County
Costilla County
Chronic Absenteeism (SY 2022-23)
31.8%
4-Year Graduation
50%+

District

Sierra Grande School District No. R-30
District Enrollment
302
Schools in District
1
Per-Pupil Spending
$17,862
District Rank
#1 of 1

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