- Enrollment
- 1,923
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
Other / mixed grade configuration · Westminster, CO
Semper Elementary School
Federal NCES profile for Semper Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080480001548
👥 S:T ratio 37
🌟 Gifted program 70
📋 Attendance 18
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Semper Elementary School earns 42/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #7 of 17
- schools in Westminster · Resource Index
- 42
- Resource Index · Typical
- 15.7:1
- students per teacher
- 39.5%
- free-lunch eligible
Semper Elementary School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Semper Elementary School ranks #7 of 17 schools in Westminster, CO.
School address
District: Jefferson County School District No. R-1 · Colorado
NCES ID 080480001548 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+17 students YoY
Semper Elementary School grew from 296 students in 2022-23 to 313 in 2023-24 (+5.7%).
Teacher FTE added 20.7 → 22.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+17 students YoY 080480001548 · Westminster, CO Other · SMALL · TRAD
314 enr · 15.7:1 · 39.5% lunch · RII 42
Nearest enrollment peer: Arvada West High School (1,923 students)
Semper Elementary School grew from 296 students in 2022-23 to 313 in 2023-24 (+5.7%). Teacher FTE added 20.7 → 22.5 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
Semper Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Arvada West Hi
Arvada West High School
1,923 students
- Ralston Valley
Ralston Valley Senior High School
1,875 students
- Chatfield High
Chatfield High School
1,808 students
- Lakewood High
Lakewood High School
1,735 students
- Columbine High
Columbine High School
1,710 students
- This school 314
Semper Elementary School
314 students
What this shows Semper Elementary School reports 314 students on the CCD universe file.
How Semper Elementary School compares
Semper Elementary School is a growing campus on CCD: ratios and free-lunch share vs Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.7:1 | ▼ 5% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 39.5% | ▲ 3% | 38.5% | 51.7% |
| Enrollment | 314 | top 59% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.7:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
314
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
39.5%
free-lunch eligible
- 3% above the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.7:1
students per teacher
- 5% below state mean
Top 50% in Colorado - lower ratio than 50% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
32.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,483
per pupil, district-wide
- below Colorado avg of $17,910
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 49.4%
Hispanic or Latino 34.7%
Asian 7.6%
Two or More 5.1%
American Indian / Alaska Native 1.9%
African American 1.0%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 49.4% of enrollment.
Student-body diversity index 62.7/100
Simpson diversity index - at 62.7, Semper Elementary School is more mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
District finance for Jefferson County School District No. R-1 reports $14,483 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Semper Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arvada West High School | Larger | Lower economic need | Higher S:T ratio |
| Ralston Valley Senior High School | Larger | Lower economic need | Higher S:T ratio |
| Chatfield High School | Larger | Lower economic need | Higher S:T ratio |
| Lakewood High School | Larger | Similar economic need | Higher S:T ratio |
| Columbine High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Semper Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,875
- Students per teacher
- 21.6:1
- Resource Index
- 35/100
- Enrollment
- 1,808
- Students per teacher
- 20.1:1
- Resource Index
- 34/100
- Enrollment
- 1,735
- Students per teacher
- 17.4:1
- Resource Index
- 52/100
- Enrollment
- 1,710
- Students per teacher
- 19.9:1
- Resource Index
- 31/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~314 students)
Similar student-teacher ratio (~15.7:1)
Frequently asked questions about Semper Elementary School
How many students attend Semper Elementary School?
Semper Elementary School has 314 students enrolled. It is a public school in Westminster, CO. CCD year-over-year: 296 (2022-23) → 313 (2023-24), up 17.
What is the student-teacher ratio at Semper Elementary School?
The student-teacher ratio at Semper Elementary School is 15.7:1, which is 5% lower than the Colorado average of 16.6:1 and 0% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Semper Elementary School?
39.5% of students at Semper Elementary School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Semper Elementary School?
The largest demographic group at Semper Elementary School is White at 49.4% of enrollment, in Westminster, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.7/100.
What is the Resource Investment Index for Semper Elementary School?
Semper Elementary School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Semper Elementary School rank among schools in Westminster?
By Resource Investment Index, Semper Elementary School ranks #7 of 17 schools in Westminster, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Westminster on the city page.
What other schools are in Jefferson County School District No. R-1?
Besides Semper Elementary School, Jefferson County School District No. R-1 also operates Arvada West High School (1,923 students), Ralston Valley Senior High School (1,875 students), and Chatfield High School (1,808 students). See the Jefferson County School District No. R-1 district page for the complete list.