The 50 largest public schools in the U.S.
Commonwealth Charter Academy CS in Harrisburg, PA, enrolled 29,320 students in 2024-25, more than any other U.S. public school; it teaches online, and the largest school students attend in person is Highlands Community Charter in Sacramento, CA, with 11,713. 31 of the 50 largest teach online; the 50th has 4,573 students.
NCES Common Core of Data 2024-25 · fall 2024 membership, schools open that year · method
The chart draws the top of the register below; its source is named under the register.
The 50 largest, with their teachers
| School | State | Students | Per teacher | Online |
|---|---|---|---|---|
| Commonwealth Charter Academy CS | PA | 29,320 | 16.2 | Yes |
| Texas Virtual Academy at Hallsville | TX | 19,731 | not reported | Yes |
| Ohio Virtual Academy | OH | 15,339 | 39.6 | Yes |
| Epic Charter School High School | OK | 14,517 | 21.5 | Yes |
| Epic Charter School Elementary | OK | 14,019 | 16.3 | Yes |
| Highlands Community Charter | CA | 11,713 | 92.2 | No |
| Lone Star Online Academy | TX | 11,686 | not reported | Yes |
| Pennsylvania Cyber CS | PA | 10,178 | 23.0 | Yes |
| Georgia Cyber Academy | GA | 9,952 | 18.0 | Yes |
| Texas Connections Academy at Houston | TX | 8,641 | 30.9 | Yes |
| Interior Distance Education of Alaska (IDEA) | AK | 7,876 | not reported | No |
| Alabama Connections Academy | AL | 7,822 | not reported | Yes |
| Nebo Online School | UT | 7,791 | not reported | Yes |
| Idaho Home Learning Academy | ID | 7,764 | 33.7 | No |
| River Springs Charter | CA | 7,703 | 25.8 | No |
The other 35 on the list
Source: NCES Common Core of Data 2024-25: membership, staff and the directory's virtual-status field.
Related rankings
- 01Largest school districts
By fall 2022 membership (F-33)
- 02All rankings
Size, spending, equity, attendance
- 03Largest schools by state
Each state has its own list
- 04U.S. public school statistics
Totals for 2024-25
Questions about the largest schools
What is the largest public school in the US?
Commonwealth Charter Academy CS in Harrisburg, PA, with 29,320 students in 2024-25, an online school. The largest school attended in person is Highlands Community Charter (CA), with 11,713.How many students attend the largest US public schools?
Each of the 50 largest U.S. public schools enrolled at least 4,573 students in 2024-25; 31 of them teach online.
Sources
Source: NCES Common Core of Data School directory, membership and staff files · 2024-25