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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 metrics
Student Progress2.1Needs Improvement50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-5.18 pts/yr
Data Period2009–2025
TrendDeclining
Academics4.4Below Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency20.2% (2025 CMAS)
Reading/ELA Proficiency31.3% (2025 CMAS)
Math vs. State Avg-15.9 pts
Reading vs. State Avg-13.6 pts
Overall Proficiency26% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)36% (model expectation from 2025 CMAS)
vs. Expected-10.7 pts
Adjusted Percentile25th
Resources & Environment8.1Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio14.2:1
District spending per student$14,483
Chronic Absenteeism27.2%

Students at Semper Elementary School score 26% proficient, which is below what's typical for similar communities (expected: 36%).

How we calculate scores →

2025 CMAS proficiency

Most recent published year. School vs. CO average.

Math Proficiency23%(2025 CMAS)
School
State
39%(2025 CMAS)
ELA Proficiency30%(2025 CMAS)
School
State
45%(2025 CMAS)

Trend

↑ Recovering

Proficiency declined earlier in the 17-year record (2009–2025), then recovered 6 points since 2020, reaching 27% in 2025.

Show all 15 years
2009
Math
92%
ELA
95%
2010
Math
94%
ELA
98%
2011
Math
72%
ELA
83%
2012
Math
73%
ELA
83%
2013
Math
69%
ELA
81%
2014
Math
36%
ELA
49%
2015
Math
33%
ELA
42%
2016
Math
23%
ELA
40%
2017
Math
24%
ELA
37%
2018
Math
27%
ELA
42%
2019
Math
27%
ELA
42%
2020*
Math
15%
ELA
27%
2021*
Math
15%
ELA
27%
2022
Math
12%
2025
Math
23%
ELA
30%

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 score

Free/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 rate

The 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

Powered byWalk Score

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

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Jefferson Academy ElementaryCharter · enrollment unverified7.9K–60.5 mi728Compare →
Doral Academy of ColoradoCharter · enrollment unverified5.4K–120.6 mi173Compare →
Woodrow Wilson Charter AcademyCharter · enrollment unverified7.7PK–80.7 mi518Compare →
Adams Elementary SchoolEnrollment path unverified3.9PK–50.8 mi317Compare →

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%
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

About our data · How we calculate scores

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