Atholton High
Columbia, MD · High School · Grades 9-12
Atholton High is a high school in Columbia, MD with 1,467 students enrolled and a 63% proficiency rate. Part of Howard County Public Schools. NCES data from the U.S. Department of Education.
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About This School
Atholton High is a high school located in Columbia, Maryland. The school serves 1,467 students in grades 9-12. The student-to-teacher ratio is 15.6:1.
According to EDFacts assessment data, 63% of students meet grade-level proficiency standards in combined math and reading. The school reports a 78% graduation rate.
24% of students qualify for free or reduced-price lunch.
Atholton High is part of the Howard County Public Schools in Maryland.
How This School Compares
Atholton High has 1,467 students enrolled, making it larger than the average school in Howard County Public Schools (759 students). Its 63% proficiency rate is 5 percentage points above the district average of 58%. Compared to the Maryland state average of 49%, the school performs 14 points higher.
Frequently Asked Questions
Atholton High has 1,467 students enrolled in grades 9-12. The student-to-teacher ratio is 15.6:1.
According to EDFacts data, 63% of students at Atholton High meet grade-level proficiency standards in combined math and reading assessments.
Atholton High has a 78% graduation rate, measuring the percentage of students who graduate within four years.
Atholton High is part of the Howard County Public Schools in Columbia, Maryland. 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.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
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.