ELCOS的学前课程是强化的学术英语课程，适合希望在班戈大学攻读本科或研究生学位课程的国际学生。学前课程旨在帮助学生提高英语水平，至少达到雅思6.0或CEFR B2的水平。成功完成学前课程意味着学生可以开始其学术课程。如果班戈大学课程要求学生具有雅思6.5或更高的英语能力，那么学前入学要求和最终评估及格分数会更高。
The Pre-Sessional courses at ELCOS are intensive academic English programmes suitable for international students who wish to study undergraduate or postgraduate degree courses at Bangor University. The pre-sessional courses aim to help students improve their English language ability to at least the equivalent of IELTS 6.0 or CEFR B2. Successful completion of the Pre-sessional course means students can start their academic course. If the Bangor University course requires students to have English language ability of IELTS 6.5 or more, Pre-sessional entry requirements and final assessment pass marks will be higher.