All applicants whose native language is not English need to take an English proficiency test before applying to Holy Apostles College and Seminary. Students may choose to take the TOEFL iBT (internet-based test), or the Academic IELTS. The following chart details the scores that students need to earn for entry to the ESL program or to credit courses.
| Enter ESL program | Enter credit courses | |
| TOEFL iBT | 46-78 | 79+ |
| Academic IELTS | 5.5-6 | 6.5+ |
Students who are admitted to the ESL program will be placed into ESL courses according to their English proficiency test scores.