There are 182 public high schools in Maryland with an approximate average of 1,030 students per school. All of the 20 largest schools when it comes to enrollment have at least double the average. Full list below using the latest enrollment data available (Montgomery County high schools in bold, student/teacher ratio listed after number of students):

20. Clarksburg High School (Montgomery County): 2,251 students (17:1)

19. Dr. Henry A. Wise High School (Prince George’s County): 2,257 students (17:1)

18. Glen Burnie High School (Anne Arundel County): 2,324 students (17:1)

17. Meade High School (Anne Arundel County): 2,330 students (17:1)

16. Bethesda-Chevy Chase High School (Montgomery County): 2,335 students (18:1)

15. Northwestern High School (Prince George’s County): 2,346 students (17:1)

14. Richard Montgomery High School (Montgomery County): 2,390 students (18:1)

13. Gaithersburg High School (Montgomery County): 2,436 students (14:1)

12. Old Mill High School (Anne Arundel County): 2,445 students (17:1)

11. North County High School (Anne Arundel County): 2,451 students (17:1)

10. Bowie High School (Prince George’s County): 2,460 (19:1)

9. Northwest High School (Montgomery County): 2,484 students (17:1)

8. Duval High School (Prince George’s County): 2,503 students (20:1)

7. Eleanor Roosevelt High School (Prince George’s County): 2,526 students (21:1)

6. Parkdale High School (Prince George’s County): 2,561 students (16:1)

5. Charles Herbert Flowers High School (Prince George’s County): 2,569 students (21:1)

4. Wheaton High School (Montgomery County): 2,599 students (16:1)

3. Walter Johnson High School (Montgomery County): 2,942 students (19:1)

2. High Point High School (Prince George’s County): 3,003 students (18:1)

1- Montgomery Blair High School (Montgomery County): 3,204 students (17:1)

The largest high school in Maryland in terms of square footage, Seneca Valley High School in Montgomery County, MD, comes in 21st with 2,239 students.

Data comes from Niche and US News & World Report