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  • John is a great tutor!!! He worked with my son on passing the SHSAT test and definitely prepared him for it. My son really enjoyed his hourly sessions with John each week. I can proudly say my son scored 596 on the test and made his first choice, SI Tech. Thank you John for all your hard work and experience throughout this process. I definitely recommend your tutoring services and look forward to working with you again for my daughter.

    Tara Lombardo Avatar
    Tara Lombardo

    John came highly recommended to me and did a great job preparing my son for the TACHS and scholarship tests he has taken. My son received full scholarships to both Xaverian and St Peters. He also received scholarship money towards Xavier and Staten Island Academy. I already have and will continue to recommend John to others.

    Ms. Franzreb Avatar
    Ms. Franzreb

    I cannot say enough good about John. He will challenge your child more than they likely have been been but he does it in a way his students will rise to that challenge. My child made honors on all three of her choices and received full scholarships to both Hill and Sea, thanks to John's preparation strategy.

    Dave Clark Avatar
    Dave Clark

    John was very thorough in breaking down each topic area and giving specific test taking tips. He was flexible in meeting times and group sizes. John offered many opportunities to take full practice exams and gave feedback and stats for each.

    Kristin McMorrow Avatar
    Kristin McMorrow

    This is excellent HSPT tutoring well worth the investment. Starting in the summer, we worked with Julian Rhine on John's team a couple of times a week via FaceTime/Skype. Through that and diligence completing more than 10 full practice tests, my son did well enough to get a full scholarship to Regis High School, as well as a full scholarship offer to St. Peter's Prep in JC, and scholarships to Seton Hall Prep and Oratory Prep. A total of more than $250k in scholarship money. THANK YOU for teaching him the skills needed to ace the test and to walk in with confidence. Julian was tremendous and John was a great resource to us as well. You'll be our first call in a few short years when it's time to start thinking about the SAT....Couldn't recommend more enthusiastically!

    Michele Baer Avatar
    Michele Baer

    John offers exceptional preparation for the TACHS exam. My son was in a small group with similar ability students. He felt well prepared and confident on the day of the exam. John explained the results of every practice exam at length to me when I asked. My son did an exceptional job on the TACHs exam. He even received scholarships to two of his three choices, thanks to John’s tutoring service.

    Mrs. Cohen Avatar
    Mrs. Cohen

    John does excellent tutoring, because through him my son was able to get into his first choice school, and also full scholarships to all three of his schools choices. I can't wait to use him again for future tests preparation for all my children. Thank you so much John

    Alta Boulos Avatar
    Alta Boulos

    John is an excellent tutor who really motivates his students, and keeps them focused on their own personal goals. He’s an excellent teacher. I would highly recommend him.

    Dororhy Bligh Avatar
    Dororhy Bligh

    Great tutor, got me a full scholarship to Sea and Farrell, and got me entrance into SI Tech

    Joseph Afflitto Avatar
    Joseph Afflitto

    John is an excellent tutor. My son got into all of his High School choices and received scholarship offers. John’s classes made the material accessible and he kept up my son’s motivation. Thank you John for the great work

    moira nascimento Avatar
    moira nascimento

    I was looking for a tutor specifically for the HSPT and came across John's website. It was the best decision I made. Not only did my son get into Regis High School, but he got other scholarships as well. He worked with the kids, kept us updated and answered any questions we had. My son gained confidence in his ability to tackle these tests and for that I am grateful. Looking forward to working with John again for my other children. Thank you so much!- Marie - Jan 2017

    Marie Allen Avatar
    Marie Allen

    The Master of Chemistry team was an excellent choice in preparing our daughter for the TACHS exam.

    Allison Cuddy Avatar
    Allison Cuddy
  • Very happy with my son’s tutoring experience with John. It is because of John’s knowledge, expertise and ability to instruct students for examinations that truly prepared my son for the difficult entrance examinations. My son was accepted into the best Catholic high school as well as receiving scholarships to other schools he applied to.

    Ann Avatar

    Highly recommend! My son was tutored by John for preparation for the TACHS exam. He was part of a group tutoring session, however, all of the students still got a very personalized tutoring experience. John was very open to the students asking questions, and would help the students with anything that they needed during the session. At one point, I was concerned with my son’s progress, and John took the time to have a long conversation with me to discuss ways in which we can help my son further. He then implement those changes, and the end result was my son doing very well on the exam and getting accepted into his high school choices. John is very friendly, helpful, interactive with the students, and very responsive to questions, not only questions my son had, but myself as well.

    Alaina Signorastri Avatar
    Alaina Signorastri

    We are so lucky to have found Master of Chemistry. We used the MOC tutoring lessons for the TACHS exam and are very satisfied with their staff and services. MOC worked with us every step of the way and modified our son's tutoring whenever he needed more help. Our son is a different learner and needed more one-on-one in math. His math tutor, Ireen, was so patient and persistent with him and gave him excellent skill sets for the test. His tests results were very good (better than I anticipated!) and he was accepted into a fantastic high school.I would absolutely recommend Master of Chemistry tutoring to anyone serious about entrance exam testing. Best of luck to everyone!

    Julie Sankey Avatar
    Julie Sankey

    Used John for Tachs tutor. Great tutor and great person.He has several great recommendations for tutors if he isn't available.

    Darlene Esposito Avatar
    Darlene Esposito

    John is excellent and his hard work guiding my daughter thru TACHs and HSPT earned her several scholarships and high scores. John and his team are easy to work with and what he gives to his students will show in their scores. He prepares them and gives them confidence and gives detailed reports on his testing. He is excellent and worth it!

    Nicole Digerolamo Avatar
    Nicole Digerolamo

    John's tutoring is exceptional and I would highly recommend him! My son scored very well on his TACHS test after receiving weekly tutoring from John. He was very well prepared for the test. Additionally, he actually enjoyed going to his weekly tutoring sessions because John made it enjoyable for them while teaching. Thank you John! Great job!

    Amy Perrotta Avatar
    Amy Perrotta

    John’s tutoring was instrumental in getting my son a full scholarship offer to Farrell HS, and an offer to Staten Island Tech. His methods are helpful to my son and are the reason for my son’s success. He also tutors my daughter for SAT. I highly recommend his services.

    Justin Chiu Avatar
    Justin Chiu

    John is a great tutor. My sister got a full scholarship and was accepted into her top 3 schools with his help.

    Juan Abel Cruz Avatar
    Juan Abel Cruz

    John is lit

    Soph M Avatar
    Soph M

    My son worked with John last year for the 2018, HSPT, Tach, and scholarship exams. He was a semi finalist for Regis, and was offered scholarships to both Xavier and xaverian. John is an amazing tutor and prepares the kids for everything!! Thank you!!

    Tara Muir Avatar
    Tara Muir

    I would highly recommend John and his team as a TACHS tutor . My son did exceptional well and both the TACHS exam and the scholarship tests for the Catholic High admissions. I had recommended to some of my friends and family.

    Maria Masi Avatar
    Maria Masi

    John helped prepare my son for high school entrance exams. He was knowledgeable about the material on the tests and strategies for taking the exams. My son was accepted to Regis and Staten Island Tech. He also received scholarships to Xaverian, Xavier, and St.Peter's High School. I would definitely recommend John.

    Susan Jaenicke Avatar
    Susan Jaenicke

More reviews and testimonials can be found on my Wyzant profile (as well as a background check)

University Tutor profile

High School Admissions Facebook Page

“Excellent tutor”

John is an excellent tutor! He has thoroughly prepared my son for his high school entrance exams.
John is an extremely intelligent individual but more importantly he is an effective teacher! I highly recommend John Z.!
If my son needs a tutor in high school I will be calling on John and he will definitely be the one I have tutor my son for PSAT/SAT.

Thank you, John. Thanks so much!  -Liz , Breezy Point, NY on 10/15/14

“Fantastic Tutor”

John walks in the door and starts talking Chemistry. His teaching is dynamic and interactive. After struggling through an honors chem class for half of the year, I engaged John to tutor my son. The class was geared towards taking the SAT 2 Chem exam and my son had been scoring well below class average on many of the exams. Long story short, with John’s help he ended up scoring 770/800 on the Chem SAT 2. John was pleasant, optimistic, upbeat, and a pleasure to deal with and the proof is in the results.    – Michael, New York, NY on 7/15/14

“Highly Recommended Professional Tutor “

We hired John to prepare our son for the NYS Chemistry Regents because he had a history of scoring below expectations on standardized tests. John clarified Chemistry beyond simple understanding of typical daily objectives, and general syllabus. He taught numerous concepts, critical thinking, and the, “how-tos” of analytical thinking; far exceeding the classroom teacher’s criterion. Furthermore, John enriched my son’s sophomore year beyond books, study guides, and worksheets. Specifically, he designed individualized instructional plans that surpassed state standards, engaging my son in the learning process with great success, and tremendous confidence.

John meticulously addressed the relative topics highlighted in Chemistry standards, and regent’s exams. He typically prepared detailed, and carefully outlined study guides. John encourages building from his student’s mastery of key concepts, (i.e. point of reference) instilling confidence with simple, yet thorough, explanations and examples of new, more complex material. As well, John’s lessons are comprehensive, encompassing a wide range of subjects. He ensures his student’s understand mathematical concepts in correlation with scientific themes, while simultaneously building a foundation for future lessons. John clearly knows his subject matter, explaining even the most elusive material in a logical, concise manner.

John engages parents with detailed feedback, evaluating the student’s mastery of concepts and/or prescription for review. In follow-up lessons, he spends extra time reassessing difficult topics with patience, and positive reinforcement. John is truly a phenomenal mentor and “academic coach.” SO, How did my son do on the regents? He passed the Chemistry Regents with flying colors, scoring in close proximity to the top students in the school. We are thrilled to have John as a valuable resource for my son, and look forward to continuing this wonderful relationship in the upcoming school term.

-Kate on Staten Island for her son at St. Peter’s High School in Fall 2013

“Excellent Physics Tutor”

My son had some challenges with his Physics. John has been a tremendous help in tutoring my son with his Physics class. He scored very well in his final exam. With John’s help, Physics became one of my son’s favorite classes. Thank you very much, John!!
– Caroline in Brooklyn for her son at Stuyvesant High School in Spring 2013

“Very Thorough!”

John is very punctual and has tremendous amount of patience. He zero’s in on your weaknesses and strengthens them, leading to a very strong understanding of the material. Highly recommend for science and math majors!

– James in Brooklyn at St Francis College in 2013

It has been a pleasure to be tutored by John. I am a pre-pharmacy student at Long Island Univeristy. He has helped me do well in both chemistry and calculus. He is very reliable and very patient. He is always willing to help at whatever time of the day! I couldn’t ask for a better tutor !

– Argiroula in Brooklyn at Long Island University  in Spring 2013

After my son started with John his grades went up and with grades confidence level went up. Great tutor. Thanks John!

Additionally, retaking the SAT after working with John on the Math section, my son went up 80 points.

– Gary in Brooklyn 2013 for his son in Physics, AlgebraII/Trig, and Sat Math

“Patient, thorough and supportive tutor”

John is a well prepared patient tutor who easily connected with our daughter. He is well prepared and thorough with his lessons. His strategies are well thought out making it easy for her to get the concept. He is a far superior teacher to her professor at her college. She is actually staring to enjoy chemistry because of his intervention. His very positive and supportive attitude is very encouraging to her. John’s tutoring just keeps getting better. She is almost over in the course and he has helped her tremendously with both her grade and her confidence. John is an outstanding educator.
He is now working with our younger daughter in geometry. Very accessible to both our daughters. Just great!

– Dr Victoria in Brooklyn for her daughters in Rutgers and Murrow 2013

John knows his subject in chemistry well. For me Chemistry is not easy and I was boarding on the line of failing and having to take the course over again. John is teaching me chemistry in a fashion that I can understand and apply. He is an excellent tutor and he addresses the issue exactly in a friendly personality so I am always comfortable asking questions. John doesn’t feel bad if I don’t get the material quickly, he always succeeds in finding a way for me to understand. His patience and listening skills help me the most when I have a hard time with problem and he address that issue exactly. John doesn’t just tell you, he shows you and teaches you in a way that you have the tools to do it yourself. John has gone beyond his tutoring duties by following up to see how I am doing and I am gaining confidence that I can do this on my own. My test is today and for the first time I have confidence I will do well. I Highly recommend him to anyone suffering in chemistry.

– Beatrice in Brooklyn, Chemistry at College of Staten Island, Spring 2013

He is very competent, knowledgeable, and clear in his explanations. He also expands beyond the curriculum and teaches useful techniques/information not mentioned the course provided by the school.

-Dr. Isolda on Staten Island, Chemistry at Staten Island Technical High School, 2013

Before I begin here is a excerpt of what it means to really go over the materials:
“We went over problems that mostly dealt with the Carnot cycle and the second law (q = Tds). Energy entering the system is positive; energy leaving the system is negative (for both q and w). We went over an efficiency problem where work, q at the hot isotherm, and q at the cold isotherm are found. We went over calculating the change in enthalpy, internal energy, entropy, and Gibbs free energy. We calculated the change in entropy through a phase change and noted the similarities and differences between a liquid warming a solid through a phase change (q)”
John knows his material and will provide an excellent guidelines to solving the problems. What is important to me and I’m sure other students are tutors who not only show the solutions to problems, but that also teach you in your level and speed and give you a chance to understand visually what is happening in the problem. And John succeeded in delivering all that. Every problem that we do, he helps me figure out the solution on my own so I can do other problems and succeed on tests. I only wish John would be our professor in my class because I would definitely succeed.
-Dmitry in Brooklyn at Hunter College for Biophysical Chemistry in Spring 2013

Reviews of TACHS, SHSAT, HSPT:

Your tutoring is giving him confidence and is helpful. He felt that he was “on” tonight. – Thanks – Sept 10, 2014

Math is the weaker subject for him and I am convinced his 90 on his math test is due to the tutoring. – Kara, Oct 1, 2014

He really likes being in your class & I think he gets a lot out if it! Thanks for the hard work! – Christine, October 15, 2014

Thanks for everything you’ve done for Michael. He is attacking these tests with confidence, and I have you to thank for that! –Kathy Nov 5, 2014

I asked what he liked and he said that liked everything–he really thinks you r a great tutor. – Cathy, September 20, 2014

Ty for all your help the past year. – Cindy, November 7, 2014

More reviews and testimonials can be found here (as well as a background check) and here

Email me to schedule an introductory tutoring lesson

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