Simpson Middle School
Marietta, GA · Middle School · Grades 6-8
Simpson Middle School is a middle school in Marietta, GA with 844 students enrolled and a 72% proficiency rate. Part of Cobb County. NCES data from the U.S. Department of Education.
Get Simpson Middle School's new scores when they post
We'll email you the moment Simpson Middle School changes. No spam — only real updates.
About This School
Simpson Middle School is a middle school located in Marietta, Georgia. The school serves 844 students in grades 6-8. The student-to-teacher ratio is 14.8:1.
According to EDFacts assessment data, 72% of students meet grade-level proficiency standards in combined math and reading.
16% of students qualify for free or reduced-price lunch.
Simpson Middle School is part of the Cobb County in Georgia.
How This School Compares
Simpson Middle School has 844 students enrolled, making it smaller than the average school in Cobb County (970 students). Its 72% proficiency rate is 19 percentage points above the district average of 53%. Compared to the Georgia state average of 44%, the school performs 28 points higher. With a 14.8:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Simpson Middle School has 844 students enrolled in grades 6-8. The student-to-teacher ratio is 14.8:1.
According to EDFacts data, 72% of students at Simpson Middle School meet grade-level proficiency standards in combined math and reading assessments.
Simpson Middle School is part of the Cobb County in Marietta, Georgia. 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.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.