The number of units to graduate from St. Teresa is 26 based on the following schedule:
| Theology | 4 units |
| English | 4 units |
| Math | 3 units |
| Lab Science | 3 units |
| Social Studies (U.S. History, World History | 2 units |
| Language/Reading | 1 unit |
| Fine Arts | 1 unit |
| Health | 1/2 unit |
| Intro to Business or Consumer Ed. | 1/2 unit |
| Speech | 1/2 unit |
| Keyboarding/Computer Concepts | 1/4 unit |
| Physical Education | 2 units |
| Driver's Education | 1/4 unit Pass |
| U.S. Constitution | Pass |
| Illinois Constitution | Pass |
| Electives | Proportionate |
| Service Hours | 10 yearly |