Enrollment
1,397
Missouri · 2024-25 NCES data
High school (grades 9-12) · Platte City, MO
Platte County High
Federal NCES profile for Platte County High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 292523001456
👥 S:T ratio 32
📚 AP courses 55
🌟 Gifted program 70
🎓 Counselors 30
📋 Attendance 52
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Platte County High earns 48/100 on the Resource Investment Index, with class sizes larger than 92% of Missouri schools. It is also one of the largest schools in Missouri.
- #3 of 3
- public schools in Platte City · Resource Index
- 48
- Resource Index · Typical
- 17:1
- large classes for Missouri
- 16.5%
- free-lunch eligible
Platte County High has class sizes larger than 92% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Platte County High ranks #3 of 3 public schools in Platte City, MO.
School address
District: Platte Co. R-Iii · Missouri
NCES ID 292523001456 Verify on NCES CCD record →
Teachers (FTE)
82.0
Federal CCD staff survey
Students per teacher
17:1
vs 12.8:1 Missouri avg
+33% vs state
Free-lunch eligible
16.5%
vs 46.1% Missouri avg
-64% vs state
Student-teacher ratio in context
How Platte County High compares with Missouri and U.S. medians
What stands out at Platte County High
Platte County High is a lower-poverty, large high school in Platte City, Missouri, enrolling 1,397 students.
Class loads run heavy: 17:1 is larger than about 92% of Missouri schools and 33% above the 12.8:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 16.5% free-meal eligibility runs 64% below the Missouri average.
By headcount it is one of the larger campuses in Missouri, bigger than 97% of state schools at 1,397 students.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 92 statewide peers matched on enrollment and economic need, it ranks mid-pack at #42.
Its student body is led by White (72%) and African American (11%) (diversity index 46/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 349 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 19.2% of students chronically absent per the 2021-22 civil-rights collection.
Platte Co. R-Iii also operates Donald D. Siegrist Elem. (679 students) and Platte City Middle (646 students) alongside Platte County High.
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 Platte County High compares
Platte County High on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17:1 | ▲ 33% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 16.5% | ▼ 64% | 46.1% | 51.7% |
| Enrollment | 1,397 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17:1
Leaner classes than 30% of US schools, heavier class loads than most.
1,397
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
16.5%
free-lunch eligible
- 64% below the Missouri average of 46.1%
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
17:1
students per teacher
- 33% above state mean
Top 92% in Missouri - lower ratio than 8% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
19.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$11,712
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
Counselors4.0 FTE
Per 349 students, the combined health-and-guidance staffing load for this school.
Discipline context
40
in-school suspensions + 80 out-of-school
Suspension rate: 2.9 per 100 students. Combined in-school and out-of-school rate: 8.6 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 71.7%
African American 10.8%
Hispanic or Latino 10.7%
Asian 3.4%
Two or More 1.6%
American Indian / Alaska Native 1.0%
Native Hawaiian / Pacific Islander 0.8%
Largest group: White at 71.7% of enrollment.
Student-body diversity index 46.1/100
Simpson diversity index - at 46.1, Platte County High is more mixed than the Missouri school average of 31.0.
Programs
AP courses offered 11
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Platte Co. R-Iii, which includes Platte County High.
$11,712
Per student
-9%
vs Missouri
Avg $12,931
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 66.7%
State 27.4%
Federal 5.9%
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 Platte County High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Donald D. Siegrist Elem. | Smaller | Similar economic need | Lower S:T ratio |
| Platte City Middle | Smaller | Similar economic need | Lower S:T ratio |
| Compass Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Barry Sch. | Smaller | Higher economic need | Lower S:T ratio |
| Pathfinder Elem. | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Platte County High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 679
- Students per teacher
- 13.9:1
- Resource Index
- 49/100
- Enrollment
- 646
- Students per teacher
- 14:1
- Resource Index
- 53/100
- Enrollment
- 527
- Students per teacher
- 12:1
- Resource Index
- 45/100
- Enrollment
- 451
- Students per teacher
- 12.5:1
- Resource Index
- 48/100
- Enrollment
- 409
- Students per teacher
- 9.5:1
- Resource Index
- 47/100
Similar high 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 (~1,397 students)
Similar student-teacher ratio (~17:1)
Next steps
Verify locally before acting on Platte County High's federal record.
- Compare Platte County High against another school. Compare schools
- Platte Co. R-Iii'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 Platte County High
How many students attend Platte County High?
Platte County High has 1,397 students enrolled. It is a high school in Platte City, MO.
What is the student-teacher ratio at Platte County High?
The student-teacher ratio at Platte County High is 17:1, which is 33% higher than the Missouri average of 12.8:1 and 8% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Platte County High?
16.5% of students at Platte County High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Platte County High?
The largest demographic group at Platte County High is White at 71.7% of enrollment, in Platte City, MO.
What is the Resource Investment Index for Platte County High?
Platte County High has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Platte County High rank among public schools in Platte City?
By Resource Investment Index, Platte County High ranks #3 of 3 public schools in Platte City, 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 Platte City on the city page.
Is Platte County High a good school?
Platte County High earns 48/100 on the Resource Investment Index, with class sizes larger than 92% of Missouri schools. It is also one of the largest schools in Missouri. 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 Platte Co. R-Iii?
Besides Platte County High, Platte Co. R-Iii also operates Donald D. Siegrist Elem. (679 students), Platte City Middle (646 students), and Compass Elementary (527 students). See the Platte Co. R-Iii 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.