Core Academic courses are offered in English Language Arts, Mathematics, Science, and Social Studies.
World Languages courses are offered in Mandarin Chinese, French, and Spanish.
Exploratory Classes are offered in Physical Education/Health, Fine Art, and STEM
Advanced Classes are offered in ELA and Mathematics for Grades 7 & 8 and Social Studies for Grade 8.
Enrichment Classes are offered as enrichment in Fine Arts (including General Music, Band and Chorus), S.T.E.M., and the Humanities.
Math and Reading Lab classes are offered as academic support in these fundamental subjects.
Academic Support classes are offered to support students in the curriculum.
English Language Learner (ELL) classes are offered as needed according to the guidelines set out by the Mass Department of Elementary and Secondary Education. Students speaking several different languages are currently enrolled at OMS.
The Extended School Day Program is an after-school program for students in danger of not meeting the promotion criteria to the next grade.