Flexible Online Diploma for Adults 18+
Adult High School Diploma Program – Finish School on Your Terms
Accredited Education
Excel High School offers regionally accredited courses, ensuring that diplomas are recognized by colleges, employers, and the military.
Affordable Tuition
We offer low monthly tuition options, making high-quality education accessible to a wide range of students, including those seeking an adult diploma.
Flexible Learning
Our self-paced, online programs allow students to learn on their own schedule, making it easier to balance education with other commitments.
Program Overview
Starting is Easy
Want to learn more about earning your accredited high school diploma? Just enter your name and email below, and we'll send you a series of helpful emails to guide you through the process.
Online High School Courses
Explore Our High School Curriculum
Below are some recommended courses tailored to help you excel in this program. Our Below are suggested courses designed to support your journey in this program. Our Success Coach team will work with you to choose the best courses for your goals and interests. Explore different pathways here. We also offer grade-level-specific recommendations to ensure you’re on the right path every step of the way.
Browse the full range of courses we offer in our course catalog
Language Arts
Mathematics
Science
Social Studies
Electives
English 9
English 10
English 11
English 12: British Literature
Algebra 1
Algebra 2
Consumer Math
Geometry
Integrated Algebra
Biology
Chemistry
Earth and Space Science
Physics
Physical Science
Please Note: Our AP Electives are included in our Advanced Placement & Honors Program Tuition , but students enrolled in High School (Standard) or High School (Honors) may request these courses as single courses, but would be subject to an additional fee.
ACT Prep
Agriscience
American Sign Language 1
American Sign Language 2
AP Psychology
AP Spanish Language and Culture
Art Appreciation
Astronomy
Biotechnology
Business Management
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Let’s Take It Further
Curious about the details? These blog articles offer helpful insights, real-world examples, and answers to common questions so you can feel confident about what comes next.
Deciding between a GED and a high school diploma depends on your goals. A GED offers a quicker test-based credential, while a diploma provides structured learning and broader opportunities. This post breaks down the differences and explains why more adults are choosing to earn their high school diploma online—on their schedule, and on their terms.
Thinking about finishing high school as an adult? This post explains how Excel’s online adult diploma program works—starting with six core courses, progressing one subject at a time, and giving you credit for prior work. It’s not a GED, but a real high school diploma built for busy adults who want flexibility without starting from scratch.
Wondering whether to earn a GED or a high school diploma? This guide compares both options and explains why a diploma can lead to better jobs, college access, and long-term success.
Our FAQs
How Can We Help You?
Is Excel High School Accredited?
Excel High School is regionally accredited by Cognia, the parent organization of the North Central Association CASI, the Southern Association of Colleges and Schools CASI, and the Northwest Accrediting Commission.
In addition to being regionally accredited by Cognia, NCA, SACS, and NWAC, Excel High School has prestigious accreditation by the Middle States Association of Colleges and Schools CESS. We are also an "A+" Rated, Accredited Member of the Better Business Bureau. Excel High School issues the same accredited high school diploma as Public Schools. Excel High School is approved by numerous State agencies to ensure standards are met.
Read More about Our Accreditation Here
What makes Excel High School different from other online schools?
What sets Excel apart is our commitment to student success. Our academic and success coaches are available during business hours to provide guidance and planning support through the Help Desk in the learning portal. Students also benefit from BRYTE, our AI-powered learning assistant, which offers instant help and explanations directly within their courses—anytime they need it.
We’re here to empower students of all ages to earn a high school diploma on their terms, without sacrificing quality or flexibility.
Does Excel High School offer academic support?
What types of programs does Excel High School offer?
Excel High School offers a variety of programs to support students at every stage of their academic journey. For middle school students in grades 6-8, we provide courses designed to build a solid educational foundation. For high school students ages 14-18 (grades 9-12), we offer several pathways, including standard high school, honors programs, and Advanced Placement (AP) courses for those seeking a more rigorous challenge.
We also offer an adult high school diploma program for students over the age of 18 who have been out of school for at least six months.
For families seeking a faith-based learning approach, we have a sister school, Northgate Academy, which provides a similar high school program from a Christian perspective.
Accreditation You Can Trust
Recognized & Respected Nationwide
At Excel High School, we are proud to be regionally accredited by Cognia, along with additional accreditations from NCA, SACS, NWAC, and the Middle States Association. Our programs meet the same rigorous standards as public schools, giving you the confidence of earning a well-respected diploma.
Global Recognition for Our Accredited Diplomas
Excel High School’s regionally accredited diploma is accepted by colleges and universities around the world. With our recognized accreditation, you can confidently pursue higher education wherever your journey takes you.
