Ontario Secondary School Diploma (OSSD), or equivalent, or a mature applicant English: Grade 12 C or U, or equivalent course Mathematics: Grade 12 C or U, or Grade 11 Functions (MCR3U), or equivalent course When applying to a Seneca certificate program you must submit- High school transcripts for grades 10, 11 and 12 showing all program specific pre-requisite courses. High school/secondary school diploma (certificate of completion). You may submit transcripts or certificates for any completed university/postsecondary college courses or programs taken inside or outside of Canada. Academic records that are in a language other than English must include an official/certified English translation. IELTS Academic - Minimum 6.0 with no skill below 5.5 . TOEFL (Internet-Based) - Minimum 80 with no skill below 20.