TSIC Activity

85211

General secondary education for normal students within the school system

ประกอบกิจการบริการเกี่ยวกับการเรียนการสอนประเภทสามัญศึกษา เมื่อได้รับอนุญาตจากหน่วยงานที่เกี่ยวข้องแล้ว

What this activity covers

This activity involves providing general secondary education for normal students in the school system.

  • Lower secondary education — Education for normal children in lower secondary school
  • Upper secondary education — Education preparing students for tertiary studies
  • Vocational education — General vocational education for regular students
  • International schools — Operating licensed international educational institutions
  • Educational services — Providing general education services with authority approval

What companies here also do

Seen in real company registrations under this code — beyond the official definition, so licensing may differ.

  • Private universities — Establishing private universities and schools

Not included here

  • Secondary education of general education type for students with disabilities. See activity 85212.

Industry at a glance

as of 23 ก.ค. 69

The whole registered industry under this activity, every registration year, from the DBD DataWarehouse.

42
active companies operate here
฿1.1Bregistered capital, combined
฿1.1B
Sector revenue · 2025
+210% since 2023
฿251.3M
Net profit · 2025
16 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
0%of new registered capital is foreign-held
฿0 foreign฿2.1M Thai

Based on few new registrations this year — read as a rough signal only.

New in 2026

2+100.0%

registrations, YTD

Registered capital

฿1.1B+1.1%

since year-end

Largest by revenue

Latest filed-year revenue, not a multi-year total

  1. 1TSIS Education Co., Ltd.฿582.7M
  2. 2Saiwai-Sanan฿121.0M
  3. 3PHUKET INTERNATIONAL EDUCATION CENTER CO., LTD.฿100.0M
  4. 4Suan Bua Co., Ltd.฿87.6M
  5. 5Kids Campus International Co., Ltd.฿80.7M

Largest by registered capital

  1. 1Systems Little House Co., Ltd.Bangkok฿375.0M
  2. 2Suan Bua Co., Ltd.Bangkok฿240.0M
  3. 3SBS BANGKOK CO., LTD.Pathum Thani฿100.0M

Source: Department of Business Development DataWarehouse. Financial figures are combined totals of companies that filed statements; revenue and profit shown for the latest three reporting years.

Companies registered since 2022

Browse all

New DBD registrations under this activity since 2022, the period the registry snapshot covers, not the full historical register.

12
Registered
since 2022
12
Still active
0
Dissolved
฿1.0M
Median capital
of active

New registrations per year

2022peak 6 in 20242026

Source: Department of Business Development (DBD) new-registration records, 2022 to present. Counts cover companies first registered in that window, reflect the latest snapshot load, and may lag the live register.

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