edX — a multi-college partnership that includes MIT, Harvard, UC Berkeley, and other schools in the U.S. and abroad — offers several exciting online courses in various STEM disciplines. All courses are free to the participants, and those who complete a course receive a certificate. Courses are rigorous and fun, with active discussion forums.
Check out their offerings at https://www.edx.org/course-list/allschools/allsubjects/allcourses. Use the drop-down menu to search for courses in:
NewtonSTEM
STEM education events & resources for Newton, MA students, parents, teachers, and volunteers — in and out of school
