Enrollment
509
Colorado · 2024-25 NCES data
Elementary school (grades K-5) · Centennial, CO
Lois Lenski Elementary School
Federal NCES profile for Lois Lenski Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataElementary school (grades K-5)NCES 080531001300
👥 S:T ratio 30
🌟 Gifted program 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lois Lenski Elementary School earns 50/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #2 of 5
- elementary schools in Centennial · Resource Index
- 50
- Resource Index · Higher
- 17.6:1
- students per teacher
- 6.2%
- free-lunch eligible
Lois Lenski Elementary School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Lois Lenski Elementary School ranks #2 of 5 elementary schools in Centennial, CO.
School address
NCES ID 080531001300 Verify on NCES CCD record →
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
17.6:1
vs 16.6:1 Colorado avg
+6% vs state
Free-lunch eligible
6.2%
vs 38.5% Colorado avg
-84% vs state
Student-teacher ratio in context
How Lois Lenski Elementary School compares with Colorado and U.S. medians
What stands out at Lois Lenski Elementary School
Lois Lenski Elementary School is a lower-poverty, mid-sized elementary school in Centennial, Colorado, enrolling 509 students.
Class loads run somewhat heavier than typical: 17.6:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Comparatively few students face economic hardship here, 6.2% free-meal eligibility runs 84% below the Colorado average.
Enrollment of 509 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Against 287 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #85.
Its student body is led by White (79%) and Hispanic or Latino (10%) (diversity index 36/100).
Littleton School District No. 6 in the County of Arapahoe also operates Arapahoe High School (1,748 students) and Heritage High School (1,748 students) alongside Lois Lenski Elementary School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Lois Lenski Elementary School compares
Lois Lenski Elementary School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.6:1 | ▲ 6% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 6.2% | ▼ 84% | 38.5% | 51.7% |
| Enrollment | 509 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.6:1
Leaner classes than 27% of US schools, heavier class loads than most.
509
Bigger than 63% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
6.2%
free-lunch eligible
- 84% below the Colorado average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.6:1
students per teacher
- 6% above state mean
Top 68% in Colorado - lower ratio than 32% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$13,988
per pupil, district-wide
- below Colorado avg of $16,273
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
1
in-school suspensions + 3 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 78.8%
Hispanic or Latino 10.2%
Two or More 7.7%
Asian 1.8%
African American 1.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 78.8% of enrollment.
Student-body diversity index 36.2/100
Simpson diversity index - at 36.2, Lois Lenski Elementary School is less mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Littleton School District No. 6 in the County of Arapahoe, which includes Lois Lenski Elementary School.
$13,988
Per student
-14%
vs Colorado
Avg $16,273
-16%
vs U.S.
Avg $16,593
Revenue mix
Local 64.6%
State 30.4%
Federal 5.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Lois Lenski Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arapahoe High School | Larger | Similar economic need | Higher S:T ratio |
| Heritage High School | Larger | Similar economic need | Higher S:T ratio |
| Littleton High School | Larger | Higher economic need | Similar S:T ratio |
| Newton Middle School | Larger | Similar economic need | Similar S:T ratio |
| Ford Elementary | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Lois Lenski Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,748
- Students per teacher
- 21.1:1
- Resource Index
- 41/100
- Enrollment
- 1,748
- Students per teacher
- 20.8:1
- Resource Index
- 43/100
- Enrollment
- 1,187
- Students per teacher
- 16.7:1
- Resource Index
- 41/100
- Enrollment
- 781
- Students per teacher
- 18.6:1
- Resource Index
- 48/100
- Enrollment
- 653
- Students per teacher
- 17.2:1
- Resource Index
- 51/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~509 students)
Similar student-teacher ratio (~17.6:1)
Next steps
Verify locally before acting on Lois Lenski Elementary School's federal record.
- Compare Lois Lenski Elementary School against another school. Compare schools
- Littleton School District No. 6 in the County of Arapahoe's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Lois Lenski Elementary School
How many students attend Lois Lenski Elementary School?
Lois Lenski Elementary School has 509 students enrolled. It is an elementary school in Centennial, CO.
What is the student-teacher ratio at Lois Lenski Elementary School?
The student-teacher ratio at Lois Lenski Elementary School is 17.6:1, which is 6% higher than the Colorado average of 16.6:1 and 12% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lois Lenski Elementary School?
6.2% of students at Lois Lenski Elementary School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Lois Lenski Elementary School?
The largest demographic group at Lois Lenski Elementary School is White at 78.8% of enrollment, in Centennial, CO.
What is the Resource Investment Index for Lois Lenski Elementary School?
Lois Lenski Elementary School has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 2 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Lois Lenski Elementary School rank among elementary schools in Centennial?
By Resource Investment Index, Lois Lenski Elementary School ranks #2 of 5 elementary schools in Centennial, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Centennial on the city page.
Is Lois Lenski Elementary School a good school?
Lois Lenski Elementary School earns 50/100 on the Resource Investment Index, with class sizes near the Colorado median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Littleton School District No. 6 in the County of Arapahoe?
Besides Lois Lenski Elementary School, Littleton School District No. 6 in the County of Arapahoe also operates Arapahoe High School (1,748 students), Heritage High School (1,748 students), and Littleton High School (1,187 students). See the Littleton School District No. 6 in the County of Arapahoe district page for the complete list.
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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.