Gettysburg Area High School is located at 1130 Old Harrisburg Road. In 2016, enrollment was reported as 1067 pupils in 9th through 12th grades, with 36.5% of pupils eligible for a free lunch due to the family meeting the federal poverty level. Additionally, 11.7% of pupils received special education services, while 4% of pupils were identified as gifted. The school employed 76 teachers. Per the Pennsylvania Department of Education, 100% of the teachers were rated "Highly Qualified" under the federal No Child Left Behind Act.