Explore reviews, rankings, SAT/ACT test scores, popular colleges, and statistics for Mount Hebron High School in MD. Mount Hebron High School is an elite, public school located in Ellicott City, MD. It has 1,498 students in. Mt. Hebron is a very diverse school community that caters to its students needs as best as it can. Oct 23, 2017. Five people were injured after a school bus overturned in a crash…