Below Average
#1610 of 1,815 schools in CO
Semper Elementary School
Elementary School · Jefferson County School District No. R-1 · Westminster, CO
A Jefferson County School District No. R-1 elementary school where students score 11 points below what's typical for similar communities.
7575 WEST 96TH AVENUE, Westminster, CO 80021
- Math 23% vs CO 39% (2025)
- Reading 30% vs CO 45% (2025)
- 14.2:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Semper Elementary School score 26% proficient, which is below what's typical for similar communities (expected: 36%).
2025 CMAS proficiency
Most recent published year. School vs. CO average.
Trend
↑ RecoveringProficiency declined earlier in the 17-year record (2009–2025), then recovered 6 points since 2020, reaching 27% in 2025.
Show all 15 years
Multi-year averages used by the rating model: math 41% (multi-year average, 2009-2025) · reading/ELA 51% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 33 test records from CO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
51.4%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Semper Elementary School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Denver map →
Getting around & local context
- Walk 18Car-Dependent
- Transit 28Some Transit
- Bike 63Bikeable
- City Safety: High3,873/100K
FBI Uniform Crime Reporting · 2024 · city context (Westminster), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$105,645
Median home value
$530,300
Median rent
$2,054/mo
College educated
53.3%
Homeownership
51.8%
Poverty rate
5.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80021; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Jefferson Academy ElementaryCharter · enrollment unverified | 7.9 | K–6 | 0.5 mi | 728 | Compare → |
| Doral Academy of ColoradoCharter · enrollment unverified | 5.4 | K–12 | 0.6 mi | 173 | Compare → |
| Woodrow Wilson Charter AcademyCharter · enrollment unverified | 7.7 | PK–8 | 0.7 mi | 518 | Compare → |
| Adams Elementary SchoolEnrollment path unverified | 3.9 | PK–5 | 0.8 mi | 317 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Jefferson County School District No. R-1
- Schools in district
- 148
- Rank in district
- #128 of 140
- District spending per student
- $14,483NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 7.4%Census SAIPE · 2024
Semper Elementary School is listed in Jefferson County School District No. R-1; a district label does not verify attendance for an address.
About Semper Elementary School
Semper Elementary School is a public elementary school in Westminster, CO, part of Jefferson County School District No. R-1, serving approximately 313 students in grades Pre-K-5th with a 14.2:1 student-teacher ratio. It holds a MySchoolScout rating of 4.0 out of 10 and ranks #1,610 of 1,815 schools in CO.
State assessment records show 41% math proficiency (multi-year average, 2009-2025) and 51% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Semper Elementary School
What grades does Semper Elementary School serve?
Semper Elementary School serves students in grades Pre-K through 5th.
How many students attend Semper Elementary School?
Semper Elementary School has an enrollment of approximately 313 students.
What is the student-teacher ratio at Semper Elementary School?
The student-teacher ratio at Semper Elementary School is 14.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Semper Elementary School rank in CO?
Semper Elementary School ranks #1,610 of 1,815 schools in CO.
What is Semper Elementary School's MySchoolScout rating?
Semper Elementary School has a current MySchoolScout rating of 4.0 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 Semper Elementary School?
Based on loaded state assessment records, Semper Elementary School has 41% math proficiency (multi-year average, 2009-2025) and 51% reading/ELA proficiency (multi-year average, 2009-2025).
Is Semper Elementary School a charter school?
No, Semper Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Semper Elementary School a Title I school?
No, Semper Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Semper Elementary School?
51.4% of students at Semper Elementary 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 factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Pre-K – 5th
- Enrollment
- 313
- Student-Teacher Ratio
- 14.2:1
- Teachers (FTE)
- 22
- Type
- regular
- Setting
- Large Suburb
- County
- Jefferson County
- Chronic Absenteeism (SY 2022-23)
- 27.2%
- Phone
- (303) 982-6460
- Area population (ZIP 80021)
- 35,562
- Area average commute
- 25 min
- Area median age
- 36.4
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- 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 · 2025 CMAS · 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 from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 CMAS · 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 from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · 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 80021; 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, 2009-2025; directory SY 2023–24
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