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Real Students. Real Score Improvements.

5.0 / 5.0 -- Rated by 75+ verified students across the SAT, ACT, GRE, GMAT, MCAT, SHSAT, ISEE, and more.

523 Highest MCAT Score
710 Highest GMAT Score
169 Highest GRE Verbal
33 Highest ACT Composite
536 Highest SHSAT Score
20+ Years of Experience
Verified Reviews

What Our Students Say

Every review below comes from a real student who worked one-on-one with Dr. Stuart Donnelly. Names include last initials for privacy.

MCAT

"Dr. Donnelly concisely tailored his teaching to fit my learning style. His strategies are unique and helped me improve my MCAT score by 17 points to an amazing 523! I got a perfect 132 score on the Bio section and near perfect scores on all the others."

Vismaya S. Colorado (online student)
+17 pts
GMAT

"I took the GMAT today and scored a 710 (80 point jump from the first test)! Very happy with the results and wanted to thank you for your help!"

Puja D. Queens, New York
+80 pts
GRE

"Thanks for all the tutoring help. I earned a 169 (99th percentile) on the Verbal section of the GRE."

Thomas H. Manhattan, New York
99th Percentile
ACT

"My composite went from a 29 the last two times I took the ACT to a 33! You helped me achieve an 11 point jump on my science section, and a full 4 points on my composite in the two months you tutored me!"

Vaishivi J. Manhattan, New York
29 to 33
SHSAT

"Oliver got into his first choice! BRONX SCIENCE. SCORE 536. He would not have made it without you. Thank you!"

Charles B. Queens, New York
Bronx Science
MCAT

"Stuart's strategies were very helpful in tackling the MCAT passage based questions. I got a 518 overall / 97th percentile (130 on Chem/Phys and Bio, 127 on CARS, and 131 on Psych/Soc). Thanks for your help preparing!"

Emily S. Manhattan, New York
97th Percentile
SAT / ACT

"Stuart Donnelly gave my daughter amazing guidance in her SAT / ACT prep which resulted in a top score. We had worked with him for SHSAT prep as well and he is a reliable and professional tutor. I highly recommend Stuart and his service, top quality!"

Kenny S. Bronx, New York
Top Score
GRE

"I aced the math section of the GRE today -- score 166 (93rd percentile). Thank you again for all your help."

Monica Q. Manhattan, New York
93rd Percentile
MCAT

"In just three lessons, I jumped 30 percentiles in my practice exams on CARS and ultimately scored in the 95th percentile on the MCAT. Dr. Donnelly is professional, kind, patient, and so willing to do everything he can to support his students."

J. F. Miami, FL (online student)
95th Percentile
Why Dr. Donnelly

Why Students Choose Dr. Donnelly

Oxford-Educated Expert

Dr. Donnelly earned his Ph.D. from Oxford University by age 25 and has over 20 years of dedicated tutoring experience. He is also the author of several best-selling test prep books in the "For Dummies" series.

Truly Personalized Lessons

Every lesson is tailored to your strengths, weaknesses, and learning style. Dr. Donnelly's proprietary problem-solving techniques target your specific areas for improvement, delivering results faster than generic courses.

Proven Track Record

Students consistently achieve significant score improvements: 10-17 point MCAT gains, 80+ point GMAT jumps, 99th percentile GRE scores, and acceptance to Harvard, Yale, Stanford, Columbia, Oxford, and more.

Ready to Write Your Own Success Story?

Join the hundreds of students who have achieved their dream scores and earned admission to top schools with Dr. Donnelly's guidance.