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Premium GRE/GMAT Prep & Admissions Consulting

Customized Learning. Strategy-based Instruction. High-Touch Consultancy. Welcome to Twainstein!

Why Twainstein?


World-Class GRE Experts

Our instructors are all seasoned GRE/GMAT experts with personality, not boring math tutors.


Smaller Classes

Our tiny class size means more individual attention and higher test scores. We like it that way.


Strategy Over Content

Our curriculum is based on actual exam questions, emphasizing strategy over high school math.


We Care

Twainstein is a small collective of deeply caring experts who love to help our clients succeed.

Discover Our Story

There’s Safety In Numbers. Take a Look!

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Twainstein Case Studies

Our clients are busy. Most have full-time jobs, all have busy lives. We get that. Our classes are effective, our teachers are available, and our curriculum is streamlined so that our students are successful. We take our clients from GRE ‘fraidy cats to MBA-bound success stories.

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What They Have to Say

“You may not remember me, but I took your GRE class at CSUN a few months ago. I wanted to write to say a few things. First, as you know I hate math. Second, I’d like to thank you SO much for all the skills you taught our class. Not only did I have a blast learning with you but I really learned a lot!

I took the test last night and did really well :) I scored above what I wanted and what I thought I’d be able to. I’m going to take it again in a month in hopes to do even better. The anxiety I had before taking your class was all but gone.

So, thank you Avi! You are a wonderful teacher and an incredible motivator!”

— Sonia F.


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