Middle School of the Kennebunks
Kennebunk, ME · Middle School · Grades 6-8
Middle School of the Kennebunks is a middle school in Kennebunk, ME with 479 students enrolled and a 66% proficiency rate. Part of RSU 21. NCES data from the U.S. Department of Education.
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About This School
Middle School of the Kennebunks is a middle school located in Kennebunk, Maine. The school serves 479 students in grades 6-8. The student-to-teacher ratio is 10.6:1.
According to EDFacts assessment data, 66% of students meet grade-level proficiency standards in combined math and reading.
11% of students qualify for free or reduced-price lunch.
Middle School of the Kennebunks is part of the RSU 21 in Maine.
How This School Compares
Middle School of the Kennebunks has 479 students enrolled, making it larger than the average school in RSU 21 (384 students). Its 66% proficiency rate is 4 percentage points above the district average of 62%. Compared to the Maine state average of 54%, the school performs 12 points higher. With a 10.6:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Middle School of the Kennebunks has 479 students enrolled in grades 6-8. The student-to-teacher ratio is 10.6:1.
According to EDFacts data, 66% of students at Middle School of the Kennebunks meet grade-level proficiency standards in combined math and reading assessments.
Middle School of the Kennebunks is part of the RSU 21 in Kennebunk, Maine. 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.