Lertlah School

FAQ

Frequently Asked Questions

Quick answers

Answers for prospective families

This page collects the questions families ask most often about Lertlah School: academics, fees, admissions, uniform, and getting to school. If your question is not here, email us any time.

About the School

General questions about Lertlah

What kind of school is Lertlah School? How many campuses are there? What is the school’s academic program?
Lertlah School is a private bilingual school in Bangkok, registered under the Office of the Private Education Commission (OPEC), that teaches an English Program (EP). It was founded in 1994 and has three campuses: Petkasem (Nong Khaem district), Kanchanapisek (Bang Bon district), and Kaset-Nawamin (Bueng Kum district). The first two are on the Thonburi side, and the Petkasem campus also runs an International Program.
Is Lertlah School’s English Program accredited?
In 2002 the school was accredited by the Canadian public sector as an associate school of Manitoba Education, Citizenship and Youth (MECY), Canada, with academic exchanges with the University of Manitoba; in 2003 its school standards were accredited by the Canadian public sector. The Thai Ministry of Education also recognizes the school as a model English Program school that other private schools visit to observe, and the curriculum is reviewed and improved every year.
How are English and Thai subjects balanced in the English Program?
Lertlah School uses an immersion methodology where students learn to use English naturally in about half of their school periods. In Kindergarten 1 to 3, students spend half the day with international teachers and half with Thai teachers. From Grade 1 to 9, the balance shifts by subject: most English instruction is delivered by international teachers with Thai teachers supporting grammar; Math is taught 60% in English and 40% in Thai; Science is 70% English and 30% Thai; Physical Education and Computer classes are 100% in English.
What is Lertlah School’s policy for English teachers?
Lertlah School hires international English-speaking teachers from English-speaking countries, primarily through partnerships with established educational institutions in Canada. Students learn through natural, immersive interaction with their international teachers across academic subjects and daily classroom life.
What does Lertlah School focus on?
Lertlah School focuses on strong academics and English language fluency through immersion with international teachers, within a setting that values Thai culture and traditions. The curriculum supports moral, intellectual, and social development through hands-on, child-centered learning that combines modern educational technology with Thai cultural values.
Admissions

Before you apply

What grade levels does Lertlah School offer? How do I apply?
Lertlah School accepts students from Nursery through Grade 9. There is no entrance examination, only a placement test used to place each student in the right grade and class, and class sizes are limited per school policy. Applications are accepted throughout the school year, and parents can apply in advance for the next school year by contacting any of the three campuses.
How much are Lertlah School’s fees?
Lertlah School does not list its fees on this website. Parents can ask the campus they are interested in directly:
Uniform

Student dress code

What is the school uniform?
Lertlah uniforms follow a consistent palette across all three campuses: blue and dark blue-green checkered fabric with the school logo, white socks, and black shoes. Specifics vary by level:
  • Kindergarten: Boys wear a front-buttoned collared shirt and checkered shorts; girls wear a checkered blouse with attached skirt and white-button waist detail.
  • Primary: Boys wear a blue collared shirt tucked into checkered shorts; girls wear a blue blouse with elbow-length sleeves, a checkered necktie, and a checkered pleated skirt.
  • Middle School: Same as Primary, with belt loops added for boys.
Detailed item-by-item specs (fabric, pocket placement, button counts) are shared with families during enrollment.
School Bus

School bus and pick-up/drop-off

What are the school bus and pick-up/drop-off rules?
School bus and pick-up/drop-off rules are issued to ensure safety and efficiency, and apply uniformly across all three campuses:
  • Every bus follows all traffic laws and is equipped with fire extinguishers, steel crowbars, glass hammers, air conditioning, working radio communication, drinking water and tissue paper, and the school’s name, address, and contact number.
  • Chaperones and drivers are polite and uniformed, do not smoke or use drugs on duty, undergo a physical and drug check each semester, carry a mobile phone to confirm the last student’s drop-off, and may not pick up outsiders or parents during a route.
  • Driving speed does not exceed 60 km/h, every bus is checked before each trip, all buses carry first-class insurance, and students are released only to parents or designated guardians.
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