High School English Grammar Teacher at Sa-nguan Ying School, Suphan Buri – Up To 41,400 THB

Sa-nguan Ying School’s International Program in Suphan Buri, Thailand is looking for a full-time High School English Grammar Teacher to join its team and deliver quality EFL instruction to upper-secondary students in Grades 10–12 (M.4–M.6).

Job Description

In this role, you will be responsible for teaching English grammar to students across Grades M.4, M.5, and M.6 within the school’s International Program. Key responsibilities include:

• Conducting 18 classes per week, Monday through Friday
• Delivering structured, engaging grammar-focused English lessons aligned with the International Program curriculum
• Planning lessons that build grammatical accuracy alongside broader English language proficiency
• Assessing student progress and providing constructive feedback to support learning outcomes
• Maintaining a positive, structured classroom environment appropriate for upper-secondary learners

Requirements

• Native English speaker
• Bachelor’s Degree — preferably in Education, though other relevant disciplines will be considered
• Demonstrated experience teaching English as a Foreign Language (EFL), with a clear focus on grammar instruction
• Prior experience working with students at the M.4–M.6 (Grades 10–12) level

Benefits

• Up to 41,400 THB per month — holders of a Bachelor of Education degree receive a 39,000 THB base salary plus a 2,400 THB document allowance
• Other Bachelor’s degree holders receive 37,000 THB base salary plus the 2,400 THB document allowance (total: 39,400 THB/month)
• Full school assistance with Non-B Visa and Work Permit documentation

About the School

Sa-nguan Ying School is located in Suphan Buri province, roughly two hours from Bangkok. The school’s International Program provides a bilingual and internationally oriented learning environment for Thai students, with foreign teachers playing a central role in developing students’ English proficiency and global awareness.