San Diego's Best GED & HiSET Tutor — Get Your Diploma
Private high school equivalency tutoring with Dr. Stuart Donnelly, Oxford Ph.D. GED and HiSET prep in San Diego or online nationwide.
Private GED & HiSET Prep — Expert Lessons Personalized to You
Dr. Stuart Donnelly is an Oxford-educated scientist with over twenty years of private tutoring experience and the author of 1,001 GED Practice Questions For Dummies and TASC For Dummies. Every lesson is tailored to your specific strengths, weaknesses, and learning style.
Whether you are preparing for the GED or HiSET, Dr. Donnelly will build a custom study plan to help you pass with confidence. Available in-person at our San Diego office or online via Zoom — with a systematic, step-by-step plan that shows you when you are ready to book each test.
20+ Years
Over two decades of private tutoring experience across high school equivalency exams.
Hundreds of Students
Hundreds of students have earned their high school equivalency diplomas with Dr. Donnelly's guidance.
Real Testimonials
Students consistently praise Dr. Donnelly for patient, effective, and supportive tutoring. Read their words on our reviews page.
Oxford Ph.D.
Elite academic credentials from the University of Oxford, combined with real-world teaching expertise.
GED & HiSET — Three Paths to Your Diploma
Not sure which high school equivalency exam is right for you? Dr. Donnelly will help you choose and prepare for whichever test fits your state requirements and goals.
GED Exam
The most widely recognized high school equivalency test, offered in almost every state. Four computer-based tests: Math, Reasoning Through Language Arts, Science, and Social Studies, at a test center or online.
Explore GED PrepTASC (Discontinued)
The TASC ended on December 31, 2021, and New York, its largest state, switched to the GED in 2022. If you were preparing for the TASC, the GED or HiSET is now your route to a diploma.
Former TASC Test-TakersHiSET Exam
Offered in about two dozen states, the HiSET can be taken on paper, on computer, or online at home where allowed. Five subtests, including a written essay.
Explore HiSET PrepWhy Private Tutoring Beats Group Classes
Group GED classes move at one speed and cover material you may already know. Private tutoring with Dr. Donnelly is fundamentally different — every minute is focused on what you need most.
100% Personalized
No generic curricula. Dr. Donnelly diagnoses your specific gaps and builds every session around closing them, so you never waste time on content you already know.
Faster Progress
One-on-one lessons skip what you already know and go straight to your weakest areas, so your study time is spent where it raises your score most.
Flexible Scheduling
Morning, afternoon, or evening — Stuart works around your schedule. Lessons run Monday to Friday, 9 AM to 8 PM (ET / PT), so you can fit them around work and family.
Judgment-Free Zone
Many adult learners feel self-conscious in group settings. Private tutoring offers a supportive, confidential environment where you can ask any question without hesitation.
Meet Dr. Stuart Donnelly — San Diego's Best GED Tutor
Dr. Donnelly holds a Ph.D. in Mathematical Sciences from the University of Oxford and has dedicated over twenty years to helping students earn their high school equivalency diplomas. His academic career spans George Washington University, top international schools, and the founding of multiple successful test prep companies.
Stuart is the author of 1,001 GED Practice Questions For Dummies and TASC For Dummies, both published by Wiley. His combination of elite academic credentials, deep subject knowledge, and thousands of hours of one-on-one teaching makes him one of the most qualified private GED tutors practicing today.
Full Tutor ProfileReal Results from Real Students
Don't just take our word for it — see what students have to say about working with Dr. Donnelly.
"I went up over 100 points in the math section of the GED alone! Thank you very much for your help!"
"Dr. Donnelly's way of teaching is very calm and effective. By teaching math in the simplest ways possible he managed to make it interesting and challenging at the same time. I am happy to report that I recently passed my TASC exam with a score of 90 percent."
"Dr. Donnelly loves to teach, is patient and motivates you to really put in the necessary work and attention to improve your math skills. Before I started lessons with Stuart, I was terrified of math but after an intensive 4-week course with Stuart, I ended up scoring a 89% on my final exam!"
Send Dr. Donnelly a Message
Fill in the form and Dr. Donnelly will be in touch within a few hours to arrange your free 30-minute session — no obligation to continue.