Professional instructors
Our mentors are equipped with over 8 years of teaching experience and specialization in exam preparations.
Flexible Class Schedule
Choose your best learning hours and go at your own pace.
Onsite & Online
Both Sigma onsite and online classes are proven to be equally effective. It’s your choice to learn at our center or anywhere you want.
Exam Preparation Courses
Get ready for college admission.



About SIGMAPREP
Sigma Prep was found in 2015 with a mission to prepare the students for university admissions and to build a solid knowledge foundation in English and Mathematics. As a start-up with a passion in teaching mathematics, Kru Numfon launched Sigma Prep to create a community for students with all ranges of learning capabilities to fulfill their academic dreams and milestones.

Kru Numfon
Founder of Sigma Prep
Education System
an education system that inspires you
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High High-Quality Student-Tutor Interactions Education System
Online Learning Offers Convenience And Flexibility
Achievement
Our only concern is your education
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Happy Students
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Expert Instructors
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Popular Courses
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Mobile Apps Users
Corporate English Training
Empower your people through
English
Students are ensured to receive the best learning experience through functional class materials and
edutainment games. In parallel to English training, teamwork enhanced through various fun
learning activities.





We are expanding!
We are looking for
1. English Teacher for SAT/ IELTS/ TOEFL
2. English Teacher for Corporate Training
3. Math Teacher for SAT (IB and AP will be a plus)
4. Admin staff (1 position)
For interested candidate, please kindly submit your CV to boonyadat@gmail.com. We will be in touch!











