Arlington's Seguin High School is a Public School Serving students in Grades 09-12.
35.73% of students at this school are Black, non-Hispanic
| Grades Offered | Grades 09-12 |
| Total Students | 1654 |
| Student:Teacher ratio | 16:1 |
| Gender % | 50.48 % Male / 49.52 % Female |
| Total Classroom Teachers | 105.41 |
| Student Population at Seguin High School by Grade | |
| Magnet School | |
| Charter School | |
| Shared School | |
| Title 1 Eligible |