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Morality Driven Wisdom

Developing Knowledge Through Morality

Welcome to

Sunflower Trilingual School


Sunflower Trilingual School (STS) is a private English Program institution based in Samut Sakorn, Thailand that offers education in three languages (Thai, English, and Chinese) from grades one to twelve. Our goal is to foster a learning environment where the student will not only be good citizens who contribute to the peacefulness and prosperity of the society but also be successful and happy leaders in all professional in the future. 

News & Activities

Featured News & Activities


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Thematic Learning

STS created four different themes that represent our vision, mission, and values that aim to inspire our students to become well-rounded citizens of Thailand and the global community. 


You will receive a confirmation email with instructions to complete your application


You are always welcome to visit us in person. This is the best way to learn about STS.


Applicants will be required to sit for aptitude tests as well as attend an interview.

Admission Process

Admission is open to all students of any nationality who fulfill our admissions criteria.

Students may be admitted at any time during the school year. 

Club for Career

Sunflower Trilingual Schools students are not only equipped academically but also possess necessary work and life skills that are beneficial for personal and professional growth.


Inventor Club is designed for students with an interest in computer science...


In our technician club, students will work with a variety of hand tools to repair and maintain...


Our DIY Club is a platform for students to discover Skills and share what they make and do...


Our SME (Small to Medium Enterprise) Club allows students to identify and evaluate new...

STS Sister Schools