Get a High School Diploma Online for Free

Advance your career, pursue your education goals, and be a role-model for your family. Career Online High School, opens a new window (COHS) offers adults the opportunity to earn an accredited High School Diploma and Career Certificate in a high-growth, high-demand field:

  • Certified Protection Officer
  • Child Care and Education
  • Commercial Driving
  • Food and Hospitality
  • General Career Preparation
  • Homecare Professional
  • Homeland Security
  • Hospitality and Leisure
  • Office Management
  • Retail Customer Service

San Mateo County Libraries is offering a limited number of full COHS scholarships to adults within our service area.

Quick Facts

  • Courses are taught in an online learning environment available 24 hours a day, 7 days a week.
  • Transfer credits from previous high school courses.
  • Applicants must be at least 19 years old and able to complete 8-10 hours of online coursework every week.
  • Want to learn more? Check out the Career Online High School FAQs, opens a new window.

Get started by completing the self-assessment, opens a new window or contact us for more information.

Career Online High School is made possible with support from the California State Library, opens a new window.

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