Career Online High School

Colorful text with words career online high schoolCareer Online High School (COHS) is an online high school diploma and career certification program funded by the Denver Public Library. Residents of the City and County of Denver who have completed eighth grade and are 19-years-old or older are eligible to apply.

Students who attended high school and did not complete it, may be able to transfer previously earned credits. Students who successfully completed General Equivalency Diploma (GED®) segments may be able to apply towards their course work through the library.

In addition to its current Career Online High School program, Denver Public Library is proud to now offer an additional program to a limited number of students to earn their high school diploma with the possibility to earn college credit in the Excel Adult High School program.

Which program is right for you? Explore each program to find out if Career Online High School or Excel Adult High School is a good fit for your own goals.

Application Process

In order to enroll, students must successfully pass an online self-assessment with an essay question and prerequisite course from one of the career choices. After completing the prerequisite course you will be invited to an interview. A determination will be made by the Library’s enrollment team after the interview regarding scholarship award.

Complete Program Information

Two people in graduation caps and gowns huggingCareer Online High School page for detailed information about the program, including a list of frequently asked questions to help you decide if this program is right for you.

Student Self-Assessment

If you've explored the program and decide it's a good fit, get started by taking the online Student Self-Assessment by filling out the Are You Ready Survey.

Career Certificates

Earn your career certificate in addition to your high school diploma. Students choose a major from one of the following high-growth, high-demand career fields and complete coursework to develop the skills and knowledge that employers are looking for:

More Learning Opportunities at Denver Public Library

A woman with a laptop and a young boy with a tablet sit together on a sofaCareer Online High School not right for you? Explore these other services offered by the Library:

Contact Us

Have a question or don't know where to start? Email us at, or call/text 720-253-8736 and we'll get back to you.

Institute of Museum and Library ServicesThis program was supported by grant funds from the Institute of Museum and Library Services under the provisions of the federal Library Services and Technology Act as administered by the Colorado State Library.