Platte County High
Platte City, MO · High School · Grades 9-12
Platte County High is a high school in Platte City, MO with 1,330 students enrolled and a 66% proficiency rate. Part of Platte Co. R-III. NCES data from the U.S. Department of Education.
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About This School
Platte County High is a high school located in Platte City, Missouri. The school serves 1,330 students in grades 9-12. The student-to-teacher ratio is 16.2:1.
According to EDFacts assessment data, 66% of students meet grade-level proficiency standards in combined math and reading. The school reports a 83% graduation rate.
21% of students qualify for free or reduced-price lunch.
Platte County High is part of the Platte Co. R-III in Missouri.
How This School Compares
Platte County High has 1,330 students enrolled, making it larger than the average school in Platte Co. R-III (714 students). Its 66% proficiency rate is 5 percentage points above the district average of 61%. Compared to the Missouri state average of 49%, the school performs 17 points higher.
Frequently Asked Questions
Platte County High has 1,330 students enrolled in grades 9-12. The student-to-teacher ratio is 16.2:1.
According to EDFacts data, 66% of students at Platte County High meet grade-level proficiency standards in combined math and reading assessments.
Platte County High has a 83% graduation rate, measuring the percentage of students who graduate within four years.
Platte County High is part of the Platte Co. R-III in Platte City, Missouri. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.