The brief
A Sierra Grande School District No. R-30 school where students score 4 points below what's typical for similar communities.
It ranks 1,436 of 1,829 schools in Colorado and 1 of 1 in Sierra Grande School District No. R-30.
Sierra Grande K-12 School is listed in Sierra Grande School District No. R-30, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.
- 202621%
- 202524%
- 2023–2024: no results on file
- 202212%
- 2021*20%
- 2020*20%
- 201925%
* A COVID-affected year: test participation was uneven nationwide, so the model weights it at half.
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2026
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.
Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.
Full Profile · 4/4 metrics
Multi-year averages used by the rating model: math 23% (multi-year average, 2009-2026) · reading/ELA 35% (multi-year average, 2009-2026).
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2026 CMAS · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2026 CMAS. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2026 CMAS · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2026 CMAS. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- State assessments · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 81123; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2026; directory SY 2023–24
The neighborhood
Where it sits, and what the area looks like.The area
- Median income
- $37,173
- Median home value
- $123,800
- College educated
- 17.4%
- Homeownership
- 81.8%
- Poverty rate
- 22.3%
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 81123; this is area context, not an attendance boundary.
Getting around
- Walk Score
- 3
- Car-Dependent
- Bike Score
- 19
- Somewhat Bikeable
Walk, transit and bike scores by
Programs and who goes here
What the campus offers, and who it enrolls.Programs
- Athletics
- 9 sports
- 4 boys' · 5 girls' · 9 teams (incl. JV) · CRDC via Urban Institute · SY 2021–22
- Advanced STEM courses
- 3 of 5
- Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22
- Gifted and talented
- Available
- A program for qualifying students · CRDC via Urban Institute · SY 2021–22
Who goes here
- Free or reduced lunch
- 81.8%
- Students qualifying for federal meal assistance. Shown separately, never in the score.
NCES Common Core of Data (CCD).
The record
What is on file, and where each number came from.Questions families ask
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 #1,436 of 1,829 schools in CO.
What is Sierra Grande K-12 School's MySchoolScout rating?
Sierra Grande K-12 School has a current MySchoolScout rating of 5.1 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 23% math proficiency (multi-year average, 2009-2026) and 35% reading/ELA proficiency (multi-year average, 2009-2026).
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.
School facts
- Grades
- Pre-K – 12th
- Enrollment
- 302
- Student-teacher ratio
- 15.9:1
- Teachers (FTE)
- 19
- Type
- Regular
- Title I
- No
- Setting
- Remote Rural
- County
- Costilla County
- Phone
- (719) 379-3257
- 4-year graduation
- 60–79%
- Class of 2023
- Rank in district
- #1 of 1
- Schools in district
- 1
- District spending per student
- $17,862
- NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 35.6%
- Census SAIPE · 2024
- Area population (ZIP 81123)
- 726
- Area median age
- 48.3
NCES Common Core of Data (CCD) (SY 2023–24).
Sources and official links
Keep exploring
Related reading
Data from NCES Common Core of Data, Colorado Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.