South County Middle
Lorton, VA · Middle School · Grades 7-8
South County Middle is a middle school in Lorton, VA with 951 students enrolled and a 67% proficiency rate. Part of Fairfax County Public Schools. NCES data from the U.S. Department of Education.
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About This School
South County Middle is a middle school located in Lorton, Virginia. The school serves 951 students in grades 7-8. The student-to-teacher ratio is 16.1:1.
According to EDFacts assessment data, 67% of students meet grade-level proficiency standards in combined math and reading.
23% of students qualify for free or reduced-price lunch.
South County Middle is part of the Fairfax County Public Schools in Virginia.
How This School Compares
South County Middle has 951 students enrolled, making it larger than the average school in Fairfax County Public Schools (904 students). Its 67% proficiency rate is 10 percentage points above the district average of 56%. Compared to the Virginia state average of 46%, the school performs 21 points higher.
Frequently Asked Questions
South County Middle has 951 students enrolled in grades 7-8. The student-to-teacher ratio is 16.1:1.
According to EDFacts data, 67% of students at South County Middle meet grade-level proficiency standards in combined math and reading assessments.
South County Middle is part of the Fairfax County Public Schools in Lorton, Virginia. 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.
For this entity, the underlying data on this page comes from NCES Common Core of Data and EDFacts. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
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.