cs50 harvard

harvard university is devoted to excellence in teaching, learning, and research, and to developing leaders who make a difference globally.

access 2000 free online courses from 140 leading institutions worldwide. gain new skills and earn a certificate of completion. join today.

explore professional and lifelong learning courses from harvard university. from free online literature classes to in-person business courses for executives, there’s something for everyone. earn certificates for professional development, receive college degree credit, or take a class just for fun! advance your career. pursue your passion. keep learning.

advancement courses offers more than 280 online, self-paced recertification and salary advancement courses for teachers covering both foundational topics and emerging trends.