An English language school in Bangkok small enough to know your name.
IELTS prep, TOEIC training, and small group English classes capped at 6 students, open to anyone learning English in Bangkok. Study in person in Bangkapi, fully online, or hybrid. Every student speaks in every lesson.
One school. In person, online,
or genuinely both at once.
Bangkok traffic should not decide whether you make it to class. Pick the format that fits your week, and switch when your week changes.
In the room, in Bangkapi
Live classes at Santisuk English School on Lat Phrao Road, Khlong Chan, capped at 6 students.
Live online from anywhere
The same teacher and the same syllabus, taught live rather than recorded. Popular with students in Bangkok who would rather not commute twice in one evening.
Online students join the real class
Not a separate online section. Online students join the same live in-person lesson at the same moment, following it on their own device alongside the students sitting in the room.
Three things most English schools
in Bangkok get wrong.
You start at your real level
A free placement scan plus a teacher's confirmation puts you in the right class on day one. No wasted months in a class that is too easy or too hard for you.
Small enough that you speak
A hard cap of 6 students in a group, plus paired and one-to-one formats. At this size there is no back row to hide in, so you produce English in every lesson.
Practice you will actually do
Homework here is often a game we built ourselves: vocabulary and grammar, drilled with spaced repetition inside a real browser game. Your progress reports back to class.
Four ways to learn with us.
Pick where you start.
Every program is taught by the same teacher, with the same honest placement and the same small class cap.
IELTS prep
Small group and paired IELTS classes in Bangkok, from Foundation to Band 8+, plus personalised practice on your own device between lessons.
Max 6 students See IELTS classes →TOEIC training
The same small group format, built around the TOEIC Listening and Reading test for work and university in Thailand.
Max 6 students See TOEIC classes →Private classes
One-to-one or paired lessons in General English, Business English, SAT prep, or KET prep, on a schedule that fits your week.
1:1 or paired See private classes →Special projects
The tools we build when the classroom is not enough: a game built for a student with ADHD, and an anxiety-reducing IELTS review system.
Built in-house See special projects →Face the examiner.
A three-minute vocabulary battle that finds your level, honestly. It adapts to your answers: around 14 questions, then a CEFR level and a hedged IELTS estimate, with the exact class to start in.
A teacher who codes. A school that measures.
GrammarMetric is one teacher, a small classroom in Bangkapi, and a stack of software built for the students in it. Every class is mine, so you are never handed to a rotating pool of teachers between terms.
When a student needs something that does not exist yet, I build it. That is where the games came from.
Santisuk English School, Bang Kapi- Honest placement. I will tell you if you are not ready for the class you asked for.
- Cambridge materials. Published, internationally benchmarked course books, not homemade photocopies.
- Measured progress. Scores tracked from day one to the end of term.
- Free demo class. A real lesson, not a sales meeting.
Before you book.
How many students are in a class at GrammarMetric?
In-person group classes are capped at 6 students. Most classes run smaller than that, and paired (2 student) and one-to-one formats are also available. The cap exists so every student speaks in every lesson.
Where in Bangkok is GrammarMetric?
Classes are taught at Santisuk English School in Bang Kapi, Bangkok. Students also join from across Bangkok online, or in hybrid mode where online students take part in the same live in-person lesson.
Who studies at GrammarMetric?
Anyone who wants to learn English. Everyone is welcome here, whatever your nationality or first language. Students come from across Bangkok and include Thai and Chinese speakers, expats, working professionals, university students and school pupils. Classes are taught in English from the first lesson, and placement is handled so you start at your real level rather than a level that flatters you.
What is a hybrid English class?
A hybrid class is one live lesson with students in two places at once. Some sit in the classroom in Bangkapi, others join online, and both follow the same lesson at the same moment on their own device. It is not a recording and not a separate online class.
Is the first class free?
Yes. The demo class is free and it is a real lesson with the teacher, not a sales meeting. There is also a free 3-minute online level check you can take before you come.
Ready to see where you start?
Come and meet us for a real lesson with a real teacher, free. We will confirm your level while we are at it.
Book your free demo classOpen your classroom to follow the lesson on your own device.