Mill Valley High School
Shawnee, KS · High School · Grades 8-12
Mill Valley High School is a high school in Shawnee, KS with 1,355 students enrolled and a 64% proficiency rate. Part of De Soto. NCES data from the U.S. Department of Education.
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About This School
Mill Valley High School is a high school located in Shawnee, Kansas. The school serves 1,355 students in grades 8-12. The student-to-teacher ratio is 16.7:1.
According to EDFacts assessment data, 64% of students meet grade-level proficiency standards in combined math and reading. The school reports a 86% graduation rate.
7% of students qualify for free or reduced-price lunch.
Mill Valley High School is part of the De Soto in Kansas.
How This School Compares
Mill Valley High School has 1,355 students enrolled, making it larger than the average school in De Soto (556 students). Its 64% proficiency rate is 3 percentage points below the district average of 67%. Compared to the Kansas state average of 50%, the school performs 13 points higher.
Frequently Asked Questions
Mill Valley High School has 1,355 students enrolled in grades 8-12. The student-to-teacher ratio is 16.7:1.
According to EDFacts data, 64% of students at Mill Valley High School meet grade-level proficiency standards in combined math and reading assessments.
Mill Valley High School has a 86% graduation rate, measuring the percentage of students who graduate within four years.
Mill Valley High School is part of the De Soto in Shawnee, Kansas. 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.
Explore School Data
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.