St Catherine's feeds to many different secondary schools The list below is not exhaustive but gives an indication of where past St Catherine's students have gone to for secondary education. Please contact the relevant school for further enrolment information.
| School | Main Points | Years | M | F |
| Clairvaux
MacKillop College, Upper Mt Gravatt | Catholic Systemic
School | 7 to 12 | *
| *
|
| San Sisto
College, Carina | Catholic Systemic
School | 7 to 12 | | * |
| St Thomas More
College, Sunnybank | Catholic Systemic
School | 7 to 12 | *
| * |
| Southern Cross
Catholic College, Scarborough | Catholic Systemic
School | P to 12 | * | * |
| Villanova
College, Coorparoo | Congregational/
Independent | 5 to 12 | *
| |
| St Laurence's
College, South Brisbane | Congregational/
Independent | 5 to 12 | *
| |
| Iona College,
Wynnum | Congregational/
Independent | 5 to 12 | *
| |
| St Joseph's
College, Brisbane | Congregational/
Independent | 5 to 12 | *
| |
| Loreto
College, Coorparoo | Congregational/
Independent | 7 to 12 | | *
|
| Lourdes Hill
College, Hawthorne | Congregational/
Independent | 7 to 12 | | * |
| Some families chose non-Catholic Schools |
| Mansfield
State High School | State High School | 7 to 12 | * | * |
| Brisbane State
High School | State High School | 7 to 12 | * | * |
| Cavendish Road
State High School | State High School | 7 to 12 | * | * |
| Whites Hill
State College | State High School | P to 12 | * | * |
| Redeemer
Lutheran College | Independent School | P to 12 | * | * |