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Online High Schools in California

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Quality Online Learning for California High Schoolers

With an education from a K12-powered California online high school, students can prepare for their ideal future while working toward their high school diploma. Through unique academic and social opportunities, students attending online high schools in California can find their paths to success. Discover what’s waiting for your student at a tuition-free* K12-powered online school today.

How are K12-powered California online high schools different from traditional schools?

There are both similarities and differences between brick-and-mortar and online high schools in California. The most significant difference, however, is that a K12-powered California online high school can provide the personalized education experience your student may need to succeed.

Online high schools in California follow the same traditional school year calendar but with more opportunities for personalized support and resources. Students receive instruction through Class Connect sessions with their teachers and have access to counselors and other resources. K12’s tailored approach allows students to work through the strong curriculum at their own pace, spending more time on challenging subjects and moving through topics they grasp more quickly.

Students enrolled in online high schools in California have a number of unique and exciting course options to choose from that can all help them work toward their high school diploma. K12-powered online high schools offer AP® and honors classeselective classes, as well as Stride Career Prep** courses that can help students explore their professional interests and give them a head start following graduation.

State-certified teachers with specialized experience in online learning teach classes at K12-powered online high schools in California. High school lessons allow students to work at the pace best suited to their needs and learning styles while staying on track for graduation. LEARN MORE

K12-powered online high schools in California foster connections between students through a variety of social activities such as clubs, enrichment programs, field trips, and more.** California online high school students have plenty of opportunities to connect with peers and develop lasting friendships.

In addition to students building their own schedules and working at their own pace, online students have more choices about their courses and how to spend their time, increasing their internal motivation to pursue academics. This can be particularly pertinent in high school, when students think about and decide on paths for their futures, including college, a career, or both. Online learning can also help protect and bolster a student’s mental health, especially as it can aid in decreasing instances of bullying. The safer students feels in their academic environment, the more effective their learning will be.1

Awards and Recognition

K12 meets the highest standards of educational management, and has been recognized with awards and accolades for its curriculum, programming, and technology.

  • Cognia-Accredited
  • Award-Winning Curriculum
  • Research-Backed Curriculum
  • State-Certified Teachers


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Can I get my high school diploma online in California?

Yes, as a Cognia-accredited corporation, K12 meets the highest standards of educational management. Additionally, many individual K12-powered schools are accredited by various respected accreditation bodies. This means that students can earn their high school diplomas through K12-powered online high schools. Prospective employers or institutions of higher education will recognize these degrees. That’s the Stride graduation guarantee.

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The Ultimate Enrollment Checklist

Beyond the paperwork required for enrollment, there are several exciting ways to connect and get set for your student’s success.

High Schools Available in California

Grades TK-12

Reach your full potential with an innovative, cutting-edge education from fully credentialed teachers. 

  • Be set up for success with flexible, personalized instruction. 
  • Jump-start your future with career and college prep and honors and AP® courses.  
  • Discover your passion with career-focused electives for grades 7–12. 

Grades TK-12

Empower your learning with a high-quality, Western Association of Schools and Colleges-accredited online charter school serving Los Angeles, Kern, Orange, San Bernardino, and Ventura counties.  

  • Discover your passion with career-focused electives for grades 6–12. 
  • Jump-start your future by earning certifications in high-demand career fields. 
  • Get set up for success with personalized college and career counseling, access to industry experts, job shadowing, and networking. 

Grades 9-12

If you've struggled with school, we can help. Achieve success with flexible learning and personalized support designed for the specific needs of at-promise students in grades 9–12. 

  • Earn your diploma thanks to flexibility and support services. 
  • Dashboard Alternative School Status (DASS)  
  • Access English language learner support. 

Grades 9-12

  • K12 has partnered with Gateway Virtual Academy to offer personalized education opportunities.
  • This school offers state-certified teachers, parent support, and local community programs.
  • Gateway Virtual Academy delivers a model that blends face-to-face and virtual instruction for Le Grand School District residents.

Grades TK-12

  • Personalized learning with a flexible approach; AP, Honors, Credit Recovery courses. WASC, COGNIA Accredited.
  • Highly Qualified California Credentialed Teachers; A-G, NCAA, and College Board Approved Curriculum.
  • We are a supportive and inclusive school community, offering meetups, clubs, daily live lessons, and events! 

Grades Pre-K-12

Achieve a quality, personalized, private education through our engaging, interactive K12 curriculum and a dedicated, supportive team of teachers and advisors. Tuition-free private school for Arizona students through the Empowerment Scholarship. 

  • Accelerate your learning with dual enrollment, early college, AP®, and NCAA-approved courses. 
  • Jump-start your future with career and college prep, including career-focused electives beginning in 6th grade.  
  • Learn at your pace with year-round start dates enrolling full-time, part-time, and individual courses. 

Grades K-12

A national online Catholic school in partnership with Marian University, MU Prep offers a holistic Catholic education that prepares students to excel both academically and spiritually.  

  • Faith-based education framed in Catholic and Franciscan values
  • Individualized support plans designed around strengths and needs
  • High-quality academics and flexible, personalized learning
  • Licensed teachers with online experience who instruct from a faith-based perspective
  • Marian University dual enrollment 
  • Award-winning curriculum
  • Career and college readiness 

Grades K-12

Are you an independent learner seeking a highly flexible education? With more than 40 years of experience in self-paced distance learning, reach your potential any time, year-round. Tuition-free private school for Arizona students through the Empowerment Scholarship. 

  • Accelerate your learning with 170+ self-paced courses with multiple levels, including honors and AP®. 
  • Earn college credits while still in high school with dual enrollment. 
  • Assure your future—we awarded 771 high school diplomas in 2022, with 99.4% of students reporting college acceptance. 

Grades 8-12

Are you a highly motivated learner? Earn a premier, private college preparatory education online and get the tools to excel at top-tier universities. Affiliated with The George Washington University. 

  • Jump-start your future with one-to-one college counseling and unique dual enrollment opportunities. 
  • Prepare for life outside the classroom with our Journeys symposium. 
  • Unlock your future—100% of graduates are accepted to college, from Harvard to UC Berkeley. 

Grades Pre-K-12

Reach your full potential with an inclusive, engaging curriculum for grades PK-12 and gain the tools and guidance to be a successful global citizen. Tuition-free private school for Arizona students through the Empowerment Scholarship. 

  • Graduate trilingual with our Early World Language Program. 
  • Get access to seminar-based instruction with a collaborative, discussion-focused approach 
  • Graduate with your associate's degree with our dual enrollment program.
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You can purchase K12 courses to supplement your homeschool curriculum or help your student catch up, get ahead, or explore an interest. These flexible courses are available with part-time and full-time options and with convenient year-round start dates.

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How to Enroll in California Online School

With K12-powered online schools in California, students receive an education tailored to their needs and interests, empowering them to set and achieve their goals now and in the future. If you have questions before getting started, don’t hesitate to reach out.


*Families do not pay tuition for their students to attend an online public school. Common household items and office supplies, like printer ink and paper, are not provided. Our enrollment consultants can help you address your technology and computer needs. 
**Course offerings, extracurricular activities, and clubs vary by school. Please check with your school.
1Abramson, A. (2021, September 1). Capturing the benefits of remote learning. American Psychological Association. Retrieved August 3, 2022, from https://www.apa.org/monitor/2021/09/cover-remote-learning#