Aberdeen High

Located at 251 Paradise Rd, in Aberdeen, Maryland, Aberdeen High is a mid-sized high school that caters to 1,396 students (grades 9 through 12), overseen by Harford County Public Schools.

Harford County Public Schools comprises 55 schools with combined enrollment of 37,771 students; Aberdeen High is among them.

For racial and ethnic makeup, Aberdeen High records that the largest single group is Black at 41%, but no single group is in the majority. Other groups include 29% White, 15% Hispanic, 10% multiracial, 5% Asian. By comparison, Harford County as a whole is about 14% Black, so the school skews meaningfully more Black than its surroundings.

Looking at the economic backdrop, The school employs 99 full-time-equivalent teachers, for a student-teacher ratio near 14.2:1. That figure is tighter than the state norm's 15.3:1 average. About 52% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is noticeably above Harford County's rate of about 39%.

With demographic context factored in, Aberdeen High falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 43.7%; this one comes in at 29.9%, -13.8 points off the demographic line.

Zooming out to the county, ACS estimates for Harford County put median household income runs about $112,265, 40% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. Across Harford County's 55 public schools (combined enrollment of about 37,771 students), Aberdeen High is one campus in the mix.

Nearest neighbor: Center for Educational Opportunity, around 0.1 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Aberdeen High comes 6th of 7 in the immediate cluster, behind the nearby-schools average of 40.3%.

Geographically, the school is in a suburban area.

Trend over the last 7 years. Looking back 7 years, enrollment at Aberdeen High has contracted 5%, going from 1,468 students in 2018 to 1,396 in 2025. Over the same period, the White share contracted from 39% to 29%. The student-to-teacher ratio pulled in from 16.3:1 in 2018 to 14.2:1 today.

On the community side, members of the Aberdeen High community share and discuss classroom updates, athletics, and weather closures. The community welcomes input from current and former families.