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32 Years
experience
Your Trusted Accredited Online High School
Whitmore School is a pioneering online high school established in 1994, offering accredited diploma programs through self-paced mastery learning. Our approach emphasizes critical thinking, personalized pacing, and one-to-one teacher support, empowering students to take ownership of their education. Accredited by Cognia and NCA-CASI, we serve a global student body across 49 states and 75 countries, with flexible scheduling tailored to diverse lifestyles. Our graduates are prepared for college, careers, and military service, supported by college advising and dual-credit opportunities. With a 17:1 student-to-teacher ratio, we prioritize individualized attention and academic excellence.

Our curriculum, developed by CompuHigh, eliminates traditional barriers like rigid schedules and semesters, allowing students to master material at their own pace. Success stories highlight achievements in academics, arts, athletics, and community service, reflecting our commitment to holistic development. We partner with public and private schools to offer customized solutions, fostering independence, resilience, and lifelong learning skills. Our 24/7 accessibility ensures education adapts to students' lives, not the other way around.
Services
Online High School Diploma Individual Courses College Prep Programs AP Courses Adult Education Programs
Details
  • Year established: 1994
Highlights and features
  • We offer self-paced mastery learning since 1994
  • Accredited by Cognia and NCA-CASI
  • Personalized college advising and dual-credit courses
  • Flexible scheduling for athletes, artists, and homeschoolers
  • Global student body across 49 states and 75 countries
Associations and certifications
  • Cognia
  • NCA-CASI
What people say
Flexible scheduling Personalized teacher support College readiness Global community Self-paced learning
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Services
Online High School Diploma
Whitmore School offers fully accredited online high school diplomas through self-paced mastery learning. Students complete core requirements in English, math, science, and social studies while developing critical thinking skills. The program prepares graduates for college, careers, or military service with flexible scheduling options.
Individual Courses
Students can enroll in individual courses to earn transferable credits or supplement existing education. Options include core subjects, electives, and Advanced Placement courses for dual college credit opportunities. All courses follow mastery-based learning principles with teacher support.
College Prep Programs
Our College Prep track includes 22-credit programs with advanced coursework in STEM and humanities. Students gain access to personalized college advisors, virtual campus tours, and scholarship guidance. The curriculum emphasizes analytical skills and academic writing for university success.
AP Courses
Whitmore School provides Advanced Placement courses that prepare students for College Board exams. Successful completion earns both high school and college credits. Courses cover calculus, sciences, and humanities with specialized instructors and exam-focused curricula.
Adult Education Programs
Designed for non-traditional learners, these programs offer flexible high school completion options. Students balance work and family commitments while earning accredited diplomas. The self-paced format supports career advancement and personal growth goals.
People
Ellen Ray
Principal
Ellen Ray leads Whitmore School's academic vision, emphasizing mastery learning and student empowerment. With decades of educational experience, she champions flexible curricula that adapt to individual learning styles and life circumstances.
Clint
Social Studies Department Chair
Clint specializes in critical thinking instruction, guiding students to analyze historical contexts and develop independent reasoning skills. His teaching philosophy aligns with Whitmore's mission of fostering intellectual curiosity without dictating perspectives.
Questions
What accreditation does Whitmore School hold?
Whitmore School is regionally accredited by Cognia Global Commission (formerly AdvancED) through its NCA-CASI division.
Can international students enroll?
Yes, we serve students in 75 countries with online learning accessible from any location.
How does mastery learning work?
Students progress after demonstrating subject mastery through revisions and teacher feedback, rather than time-based semesters.
Are there set class times?
No, our 24/7 platform allows completing coursework at any time that fits your schedule.
Do diplomas include college preparation?
Our College Prep track offers 22-credit programs with AP courses and personalized college advising services.
What support exists for student success?
We provide weekly progress reports, 17:1 student-teacher ratios, and dedicated college advisors for higher education planning.