John Michael Della Costa

John Michael D.

Saint Petersburg, FL

Lesson Details


Levels Taught:
Elementary, Middle School, High School, College
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John Michael teaches



John Michael delivers an exceptional lesson experience and ranks in the top 15% of our teachers nationwide.
Teaches students:
Ages 3+ and special needs

Teaching since:
February 2013

Hello, and thanks for taking an interest in me! My name is John and I love teaching anything to anybody, from Math all the way down to tying your shoes. The main subjects I teach in are Math and Science, with extreme competency in Math all the way up to Calculus. I have been teaching all my life, but have been professionally teaching Math for more than 2 years, and am currently the lead instructor at Mathnasium. If you need help in Astronomy, I'm your guy. Astronomy is a huge passion of mine and I could talk about it for hours! I am currently a student and pursuing a degree in both Physics and Astronomy. Please contact me to confirm scheduling (busy schedule due to classes). If you would like me to help you become better at Math or really anything in the same subject area, please don't hesitate to contact me! Thanks!

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Lead Instructor
Feb 2015 - Present

I love this job! I am currently still working here, and tutor up to 30 kids per day, ages 8 to 18, but can do any age level!

Math Instructor
Feb 2014 - Present

Tutored math to hundreds of kids ages from 5 to 20


Astronomy and Physics
Aug 2016 - Present
University of Florida
Aug 2015 - Present

Photos & Videos

Photo by John Michael D.

Photo by John Michael D.


16 Reviews

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Alexandra Jun 22, 2017
ASVAB · Online

He was not prepared, my lesson started a 12:00pm ended at 1:00pm during the whole time we didn't start the lesson. Would not recommend.

Gina Jun 18, 2017
Chess · Online

John is a natural - patient, informed and appreciative of my enthusiastic nature about chess. Nice guy. Pick him!

Sridevi G. Feb 27, 2017
Algebra 1 · Online

Very good lesson. John Michael has lots of talent in teaching math.

Sebastian Oct 16, 2016
Chess · Online

John was great with our 9-year old, who started chess at five, and has played on and off since. He picked up pretty quickly and started learning new moves and approached. John is very good with kids, explaining not only the rules of the game, but rationale for every play. We're very happy with the classes.

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Ritvik D. Sep 22, 2016
Chess · Online

Looks like he is not familiar to teach chess for 6 years old kids . I do not recommend.

Alex Aug 15, 2016
Chess · Online

It was my son's (10 years old) first time when we took a chess online with John Michael. My son learnt so much with him from their first lesson and started to share with me what he learnt right after he finished the class. (normally this is not how my kid behaves). That is not it.
My son all of the sudden wanted to learn everything in other subjects like math and had this desire to become an intelligent person. We spent the entire day indoors studying different things because he was so inspired after his chess class to grow intellectually.
First impression/experience with the subject is very crucial and I am so happy John Michael could find a way to get my kid into chess while doing it online. My son really enjoyed learning about chess and wants to continue taking classes with John Michael during the academic year as well.
John Michael is certainly very knowledgeable, processional, and has a talent to teach.

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Talissa Jun 4, 2016
Calculus · In studio

John was a great tutor, I'm a B/C average student in math because it is my weakest subject but by having John as my tutor I received an A in Calculus! He is a great tutor and will do as much as he can to help you succeed and understand the subject!

Wesley Jun 4, 2016
Chess · Online

It was a great experience: The teacher was on time and is knowledgeable. The child is happy with the class and learning.

Emily S. May 15, 2016
Common Core Math · Online

John is a fantastic teacher. My daughter is finally enjoying Maths. Thank you John.

Emily Mar 6, 2016
Common Core Math · Online

Overall I think he is a good teacher. Very patient, clear and explained things well to my daughter who struggles with some basic concepts in Math. He was patient and is very enthusiastic about teaching his subject matter. I'm confident that my daughter will make a connection with Math! Thank you.

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Amit Jan 31, 2016
Chess · Online

John was very patient with my child and he is very good at explaining and making my son learn all the moves in chess. He was not rushing through things at all. I saw John taking genuine interest in seeing that my son was understanding and learning.

Crysta Dec 7, 2015
Math · In home

He's a great tutor and is very helpful! Took his time to explain everything! Very friendly and a great person!

Josh Dec 5, 2015
Math · In home

I've never understood Physics at all and last year I failed Algebra 2. With the help of John Michael, I am now getting A's in Algebra 2. Also, it is now easier to understand the concepts in Physics, which I'm in this year. In most aspects of Physics and Math, it has become easier to grasp. This could've never happened without John Michaels amazing teaching skills. Thank you so much!

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Megan Dec 5, 2015
AP Calculus · In home

John Michael is an outstanding teacher. From Honors Algebra 1 through AICE Mathematics (the math I'm in now), this guy has helped me with a great amount of studying and homework assignments. I would've never been able to pass any math classes without his help. Without a doubt, no other tutor I've had, has been as patient, as kind, and as smart as him. Any one would be lucky to have John Michael as their tutor.

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Scarlett H. Dec 5, 2015
Math · In home

John Michael has helped me so much in math! I was struggling greatly in my pre-calculus and calculus 1 class, and thanks to him I passed! He makes math so much easier!

Susan Dec 5, 2015
Math · In studio

One of the best instructors I've ever had! Nice, funny, and knows what he's talking about. Five out of five!

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