Very Good
#696 of 2,221 schools in MO
Top 31% in state
Platte County High
High School · Platte Co. R-iii · Platte City, MO
A Platte Co. R-iii high school serving grades 9th – 12th.
1501 BRANCH ST, Platte City, MO 64079
- Math 53% vs MO 48% (2025)
- Reading 65% vs MO 57% (2025)
- 92.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Platte County High score 59% proficient, which is above what's typical for similar communities (expected: 57%).
2025 MAP proficiency
Most recent published year. School vs. MO average.
Trend
→ SteadyProficiency is down 17 points across the 17-year record (2009–2025) and has held near 59% recently.
Show all 16 years
Multi-year averages used by the rating model: math 56% (multi-year average, 2009-2025) · reading/ELA 71% (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 31 test records from MO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
16.1%
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 rateThe neighborhood
Where Platte County High 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 Kansas City map →
Getting around & local context
- Walk 40Car-Dependent
- Bike 27Somewhat Bikeable
- City Safety: Elevated1,176/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Platte City), 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
$100,448
Median home value
$325,800
Median rent
$1,349/mo
College educated
45.1%
Homeownership
69.4%
Poverty rate
5.8%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 64079; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
0 from verified nearby records
No verified same-level alternatives
The available nearby set has no same-level school with a verified grade span.
Platte Co. R-iii
- Schools in district
- 8
- Rank in district
- #4 of 5
- District spending per student
- $12,429NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 5.8%Census SAIPE · 2024
Platte County High is listed in PLATTE CO. R-III; a district label does not verify attendance for an address.
About Platte County High
Platte County High is a public high school in Platte City, MO, part of Platte Co. R-iii, serving approximately 1,336 students in grades 9th-12th with a 17.6:1 student-teacher ratio. It holds a MySchoolScout rating of 7.2 out of 10 and ranks #696 of 2,221 schools in MO.
State assessment records show 56% math proficiency (multi-year average, 2009-2025) and 71% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Platte County High
What grades does Platte County High serve?
Platte County High serves students in grades 9th through 12th.
How many students attend Platte County High?
Platte County High has an enrollment of approximately 1,336 students.
What is the student-teacher ratio at Platte County High?
The student-teacher ratio at Platte County High is 17.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Platte County High rank in MO?
Platte County High ranks #696 of 2,221 schools in MO.
What is Platte County High's MySchoolScout rating?
Platte County High has a current MySchoolScout rating of 7.2 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 Platte County High?
Based on loaded state assessment records, Platte County High has 56% math proficiency (multi-year average, 2009-2025) and 71% reading/ELA proficiency (multi-year average, 2009-2025).
Is Platte County High a charter school?
No, Platte County High is not a charter school. It is a traditional public school operated by the local school district.
Is Platte County High a Title I school?
No, Platte County High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Platte County High?
16.1% of students at Platte County High 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
- 9th – 12th
- Enrollment
- 1,336
- Student-Teacher Ratio
- 17.6:1
- Teachers (FTE)
- 76
- Type
- regular
- Setting
- Fringe Town
- County
- Platte County
- Chronic Absenteeism (SY 2022-23)
- 21.4%
- Phone
- (816) 858-2822
- 4-Year Graduation
- 92.0%
- Area population (ZIP 64079)
- 14,092
- Area average commute
- 27.7 min
- Area median age
- 39.3
Official sources & links
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 MAP · Medium confidence
- 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 MAP · Medium confidence
- 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)
- State assessments · 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 64079; 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
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