| Address: | 9400 Southwest Hwy., Oak Lawn, IL 60453 |
| Phone: | 708-424-5200 |
| Fax: | 708-424-5278 |
| Enrollment: | 1891 |
| Nickname: | Spartans (boys), Lady Spartans (girls) |
| Colors: | Kelly Green/White |
| Website: | www.olchs.org |
| School type: | Public Coed |
| Conference: | South Suburban |
