Lertlah School

Lertlah School

Admissions

Welcome

Join the Lertlah Family

Lertlah School is a private bilingual school in Bangkok that accepts students from Nursery to Grade 9 (Mathayom 3), with no entrance examination, only a placement test. The school accepts applications throughout the school year, and families can ask any campus about admission for the 2027-28 school year.

We welcome curious, kind children and engaged families. Whether your child is starting nursery or transferring from another school, our admissions team will guide you through every step, from the first visit to enrolment day.

Admission Steps

Five steps to joining Lertlah

  1. Contact a Campus

    Reach out to the campus closest to you (Petkasem, Kanchanapisek, or Kaset-Nawamin) to schedule a school visit.

  2. Schedule a Tour

    Meet our teachers, tour the classrooms and facilities, and see the Lertlah environment firsthand.

  3. Submit Application

    Complete the admissions form and provide the student’s previous school records and required documents.

  4. Placement Test

    The student takes a placement test for the school’s own use. There is no entrance examination.

  5. Enrolment

    Once accepted, complete the enrolment paperwork.

Per-Campus Contact

Reach the campus you’re interested in

Each campus team is happy to share details and arrange a tour.

Campus

Lertlah Petkasem Road

Campus details
Admissions FAQ

What parents ask before applying

Which grade levels does Lertlah School accept?
Lertlah School accepts students from Nursery to Grade 9 (Mathayom 3). It is an English Program (EP) private school under the Office of the Private Education Commission (OPEC), and the Petkasem campus also teaches an International Program.
Does Lertlah School have an entrance exam?
Lertlah has no entrance examination, only a placement test for the school’s own use.
How do I apply to Lertlah School?
Contact any of Lertlah’s three campuses (Petkasem, Kanchanapisek, or Kaset-Nawamin) to arrange a visit and complete the application form. The student then takes a placement test; there is no entrance examination. The school accepts applications throughout the school year, and families can apply in advance for the upcoming school year. Class sizes are limited by school policy.
What documents do I need to apply?

The school accepts applications throughout the school year. These are the documents needed to apply:

  • Copies of the house registration of the student, mother and father.
  • Copies of the mother’s and father’s ID cards.
  • A copy of the student’s birth certificate (for non-Thai nationals, attach copies of the student’s, mother’s and father’s passports).
  • Two photos of the student (2 x 2 inches).
  • A photo of the student with family members (postcard or 4 x 6 inch size).
  • Copies of name-change certificates for the student, mother and father (if any).
  • A copy of the adoption certificate (if any).
  • A copy of the vaccination record (if any).
  • Other important documents from the student, parents or an authorised representative (if any).
  • Academic records, transcripts and other education documents from the student’s previous school (for transfers).
  • Primary and secondary levels: a certificate of academic results, a school report and a certificate of educational qualification.

Please bring the student with you on the day you apply.

How do I book a visit to Lertlah School?

Call or email the campus you would like to visit to arrange a day.

Can I download a Lertlah School student application form?
Lertlah’s website does not offer a student application form for download. To apply, contact the campus you are interested in and complete the application form during the admissions process. The PDF form on the Careers page is a job application for teachers and staff, not a student form.
Get Started

Schedule a campus visit

Contact the campus closest to you to arrange a tour, or get in touch with our admissions office for any questions about the application process.

Contact AdmissionsChoose a Campus