High School students must complete 44 academic credits for graduation (each full-time, semester-long class represents one credit). Minimum subject area requirements are as follows:
English - 8 credits (4 years)
History - 8 credits (4 years)
Mathematics - 6 credits (3 years, although 4 years are recommended for college applications)
Science - 6 credits (3 years)
Foreign Language - 2 credits (1 year)
Electives - 7 credits (3½ years)
Arts - 2 credits (1 year)
Health - 1 credit, 1 semester)
Physical Education - 4 credits (4 years)
Students must have at least 8 credits for promotion to 10th grade, 20 credits for promotion to 11th grade, and 30 credits for promotion to 12th grade.
Lyons is part of the NYS Performance Consortium, students must past the ELA Regents exams and achieve a score of competent or higher on four PBATs in order to be granted a New York State Regents Diploma. PBATs must be in the following areas: Mathematics, Science, Literature and Social Studies.