Enrollment
466
Missouri · 2024-25 NCES data
Other / mixed grade configuration · Excelsior Springs, MO
Cornerstone Elementary
Federal NCES profile for Cornerstone Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataOther / mixed grade configurationNCES 291165000421
👥 S:T ratio 44
🌟 Gifted program 70
🎓 Counselors 7
📋 Attendance 87
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cornerstone Elementary earns 52/100 on the Resource Investment Index, with class sizes larger than 71% of Missouri schools.
- #4 of 7
- public schools in Excelsior Springs · Resource Index
- 52
- Resource Index · Higher
- 14.1:1
- large classes for Missouri
- 35.3%
- free-lunch eligible
Cornerstone Elementary has class sizes larger than 71% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Cornerstone Elementary ranks #4 of 7 public schools in Excelsior Springs, MO.
School address
District: Excelsior Springs 40 · Missouri
NCES ID 291165000421 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
14.1:1
vs 12.8:1 Missouri avg
+10% vs state
Free-lunch eligible
35.3%
vs 46.1% Missouri avg
-23% vs state
Student-teacher ratio in context
How Cornerstone Elementary compares with Missouri and U.S. medians
What stands out at Cornerstone Elementary
Cornerstone Elementary is a mid-sized combined-grade school in Excelsior Springs, Missouri, enrolling 466 students.
Class loads run somewhat heavier than typical: 14.1:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Its free-meal eligibility rate of 35.3% lands close to the Missouri typical range, neither a high- nor low-need campus by this measure.
Enrollment of 466 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 512 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #136.
Its student body is predominantly White (83% of enrollment) (diversity index 30/100).
Counselor access is stretched at roughly 466 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 5.2% of students were chronically absent, below the typical post-pandemic national figure.
Its district draws 15.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Excelsior Springs 40 also operates Excelsior Springs High (764 students) and Excelsior Springs Middle (540 students) alongside Cornerstone Elementary.
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 Cornerstone Elementary compares
Cornerstone Elementary on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.1:1 | ▲ 10% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 35.3% | ▼ 23% | 46.1% | 51.7% |
| Enrollment | 466 | top 25% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.1:1
Leaner classes than 56% of US schools, a middle-of-the-pack class size.
466
Bigger than 57% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
35.3%
free-lunch eligible
- 23% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.1:1
students per teacher
- 10% above state mean
Top 71% in Missouri - lower ratio than 29% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
5.2%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$11,950
per pupil, district-wide
- below Missouri avg of $12,931
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 466 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 4 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 1.3 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 83.3%
Hispanic or Latino 8.2%
Two or More 5.2%
African American 2.8%
Asian 0.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 83.3% of enrollment.
Student-body diversity index 29.6/100
Simpson diversity index - at 29.6, Cornerstone Elementary is about as mixed as the Missouri school average of 31.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Excelsior Springs 40, which includes Cornerstone Elementary.
$11,950
Per student
-8%
vs Missouri
Avg $12,931
-28%
vs U.S.
Avg $16,593
Revenue mix
Local 55.9%
State 29.1%
Federal 15.0%
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 Cornerstone Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Excelsior Springs High | Larger | Similar economic need | Higher S:T ratio |
| Excelsior Springs Middle | Similar size | Similar economic need | Similar S:T ratio |
| Lewis Elementary | Similar size | Higher economic need | Lower S:T ratio |
| Elkhorn Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Excelsior Springs Ear Chld Ctr | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Cornerstone Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 764
- Students per teacher
- 15.6:1
- Resource Index
- 35/100
- Enrollment
- 540
- Students per teacher
- 13.2:1
- Resource Index
- 52/100
- Enrollment
- 354
- Students per teacher
- 12.2:1
- Resource Index
- 57/100
- Enrollment
- 239
- Students per teacher
- 13.3:1
- Resource Index
- 64/100
- Enrollment
- 151
- Students per teacher
- 13.7:1
- Resource Index
- 45/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~466 students)
Similar student-teacher ratio (~14.1:1)
Next steps
Verify locally before acting on Cornerstone Elementary's federal record.
- Compare Cornerstone Elementary against another school. Compare schools
- Excelsior Springs 40'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 Cornerstone Elementary
How many students attend Cornerstone Elementary?
Cornerstone Elementary has 466 students enrolled. It is a public school in Excelsior Springs, MO.
What is the student-teacher ratio at Cornerstone Elementary?
The student-teacher ratio at Cornerstone Elementary is 14.1:1, which is 10% higher than the Missouri average of 12.8:1 and 10% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Cornerstone Elementary?
35.3% of students at Cornerstone Elementary are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Cornerstone Elementary?
The largest demographic group at Cornerstone Elementary is White at 83.3% of enrollment, in Excelsior Springs, MO.
What is the Resource Investment Index for Cornerstone Elementary?
Cornerstone Elementary has a Resource Investment Index of 52/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Cornerstone Elementary rank among public schools in Excelsior Springs?
By Resource Investment Index, Cornerstone Elementary ranks #4 of 7 public schools in Excelsior Springs, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Excelsior Springs on the city page.
Is Cornerstone Elementary a good school?
Cornerstone Elementary earns 52/100 on the Resource Investment Index, with class sizes larger than 71% of Missouri schools. 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 Excelsior Springs 40?
Besides Cornerstone Elementary, Excelsior Springs 40 also operates Excelsior Springs High (764 students), Excelsior Springs Middle (540 students), and Lewis Elementary (354 students). See the Excelsior Springs 40 district page for the complete list.
Related tools
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.