Assumption College Thonburi

What Assumption College Thonburi does

Assumption College Thonburi (ACT, อัสสัมชัญธนบุรี) is a private Catholic K-12 school founded in 1961, operating a single campus at 92 Assumption Road, Bangphai Bangkae, Bangkok, Thailand, under the St. Gabriel Foundation (มูลนิธิคณะเซนต์คาเบรียลแห่งประเทศไทย), a Catholic network of 16+ schools in Thailand and 26 countries globally run by the Brothers of St. Gabriel. The school delivers primary education (Prathom 1-6) and secondary education (Mattayom 1-6) through approximately 15+ specialized academic programs including English Program (EP), Interactive English Program (IEP), STEM-CEL, Gifted, Digital Science, Digital Art, Science-Sport (in partnership with Mahidol University), Music & Performing Arts (in partnership with Silpakorn University), Music Gifted, Business Management, and Chinese/Japanese language tracks. Core technology infrastructure consists of SWIS (School Wide Information System), a proprietary school-wide portal for student records, attendance, grade reporting, and parent communication; a Moodle-based E-Learning platform; and the TEDET online assessment registration system.

Revenue is generated through tuition and program fees across multiple tracks, with the school operating as a nonprofit organization under its parent foundation. Pricing for individual services is partially disclosed: TEDET assessments cost 300 baht combined or 150 baht per subject, and the ACT Charity Bowling event charges 4,000 baht per team. Mainstream tuition fees are not publicly disclosed and likely vary by program and grade level. Go-to-market is direct-to-consumer via the school's website (act.ac.th), official Facebook page, LINE Official Account, on-campus open house events, and referrals through the St. Gabriel Foundation network and active alumni association. The current leadership team is headed by Director Reverend Dr. Weerayut Boonprabam, supported by assistant directors overseeing administration and finance, student affairs, academic affairs, activities, and a newly added technology and innovation function.

Name

Assumption College Thonburi

Legal name

Assumption College Thonburi

Website

https://act.ac.th

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

51–100 employees

Short description

Assumption College Thonburi is a private Catholic K-12 school in Bangkok, Thailand, operating since 1961 under the St. Gabriel Foundation and serving Thai families seeking premium bilingual education across 15+ specialized academic programs including English immersion, STEM, Gifted, and Science-Sport tracks.

Ownership category

akta.pro rank

Product category

K-12 Education Services

NAICS

Elementary and Secondary Schools (6111)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Science & STEM Instruction (School-Delivered) (EDAJAFAH)

akta.pro secondary industries

Physical Education & Health Instruction (EDAJAFAL), Virtual World Language & Electives Providers (K–12) (EDAJADAK)

Keywords

• K-12 education
• Catholic school
• English program
• STEM education
• Gifted education

Headquarters

HQ city

Bangkok

HQ country

Thailand

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Tuition and Program Fees: Revenue is generated through tuition fees for various educational programs including regular Thai curriculum, English Program (EP), Interactive English Program (IEP), and specialized tracks such as Gifted, STEM-CEL, Digital Science, and Science-Sports programs.
2. Assessment and Testing Fees: Fees collected for standardized assessments such as TEDET (Test of Excellence in Mathematics and Science) - 300 baht for combined math and science, 150 baht for individual subjects.
3. Activity and Event Fees: Revenue from charitable events and activities such as the ACT Charity Bowling event (4,000 baht per team).

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Assumption College Thonburi is a private Catholic K-12 institution delivering primary and secondary education (Prathom 1-6, Mattayom 1-6) through 17+ specialized academic programs including English immersion tracks (EP, IEP, CEL), STEM curricula (STEM-CEL, EP-STEM, GIFTED), language programs (Chinese Plus, Chinese/Japanese), creative arts (Music Gifted, Digital Art), and applied sciences (Digital Science, Science-Sport, Science-Math). The school supplements classroom instruction with the SWIS information system, Moodle-based e-learning, and the TEDET assessment service, supported by partnerships with Mahidol University, Silpakorn University, Bell Education Services (UK), Cambridge, and the Confucius Institute.

Product overview

Assumption College Thonburi (ACT) operates a comprehensive educational institution spanning primary (Prathom 1-6) and secondary (Mattayom 1-6) levels. The product portfolio consists of specialized academic programs including English immersion tracks (EP, IEP, CEL), STEM-focused curricula (STEM-CEL, EP-STEM, GIFTED), language programs (Chinese Plus, Chinese/Japanese), creative arts (Music Gifted, Digital Art), and applied sciences (Digital Science, Science-Sport, Science-Mathematics). Supporting digital infrastructure includes the Moodle-based E-Learning platform and SWIS portal system. The institution also offers standardized assessment services (TEDET) and community fundraising events. The programs range from general education to specialized tracks in science, business, and sports science, with university partnerships for advanced curriculum delivery.

Differentiator

Problem solved

Functional benefit

Products and services

• English Program (EP) English immersion program delivering core subjects in English with native-speaking teachers, aligned with Cambridge standards and CEFR proficiency assessment for students seeking bilingual education.
• STEM-CEL Integrated STEM education combined with Arts (A) and enhanced English language instruction through Bell language center partnership for primary and lower secondary students.
• GIFTED Special science and mathematics enrichment program following IPST and POSN curricula with hands-on STEM activities for academically gifted students.
• CEL Standard English program taught by native-speaking Bell teachers using UK curriculum with Cambridge Young Learners assessment for primary and lower secondary students.
• IEP (Interactive English Program) Interactive English Program offering English-medium instruction in four core subjects with enhanced English language development for students.
• Innovative Intelligence (II) Advanced program focusing on innovation, artificial intelligence, aerospace innovation, and space technology with design thinking workshops for lower secondary students.
• EP-STEM English Program combined with STEM integration teaching science, technology, engineering and mathematics through hands-on inquiry for lower secondary students.
• Chinese Plus Enhanced Chinese language program with HSK standardized assessment and Confucius Institute cultural exchange center for students.
• Music Gifted Special music scholarship program with 5 periods per week, individual instruction from international faculty, and orchestra participation for musically gifted students.
• Science-Mathematics (Sci-Math) Upper secondary program emphasizing mathematics and science (Physics, Chemistry, Biology) with university-level content integration for M4-6 students.
• Digital Science Upper secondary program covering data science, digital currency, digital business, and digital technology with multichannel (on-site and online) delivery.
• Digital Art Digital media production program teaching computer graphics, animation, digital content creation for film and advertising for upper secondary students.
• Science-Sport Sports science program in collaboration with Mahidol University Sports Science faculty, covering physiology and sports medicine for upper secondary students.
• Music & Performing Arts Music and entertainment industry program with Silpakorn University Faculty of Music, covering performance and music production for upper secondary students.
• Business Management Business studies program preparing students for entrepreneurship with modern commerce and technology integration for upper secondary students.
• Math-English Calculus and English language concentration program paralleling Science-Math curriculum with enhanced English skills for upper secondary students.
• Chinese/Japanese Languages Language arts program focusing on English-Chinese or English-Japanese with four-skills development (listening, speaking, reading, writing) for upper secondary students.
• TEDET Annual mathematics and science assessment program (Test of Excellence in Mathematics and Science) for academic excellence evaluation, with exam fees of 300 baht combined or 150 baht per subject.
• ACT Charity Bowling Annual charity bowling event for fundraising, with secondary school round on September 26, 2026 and primary school round on September 27, 2026. Team registration fee: 4,000 baht per team.

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered core, minor and flagship.

• Mahidol University - College of Sports Science and Technology (MUSS)coreStrategic or Co-development PartnerCollaboration for the Science-Sports (Sci-Sport) program at M4-6 level. Students study sports science curriculum developed jointly with MUSS faculty, including sports physiology, sports medicine, nutrition, and sports psychology. Students receive quota admission priority to MUSS upon meeting academic requirements.
• Silpakorn University - Faculty of MusiccoreStrategic or Co-development PartnerCollaboration for the Music, Performing Arts, and Entertainment Industry program at M4-6 level. Curriculum developed with faculty input, with quota admission priority to Silpakorn's Faculty of Music for academically performing students.
• Bell Education Services (UK)coreTechnology or IntegrationPartnership with Bell Education Services from England for English language instruction in the English Program (EP), Interactive English Program (IEP), STEM-CEL, and CEL programs. Native English-speaking teachers provide language instruction aligned with UK standards.
• Institute for Science and Technology Standards (IPST)coreStrategic or Co-development PartnerGifted program curriculum development and oversight by IPST. Gifted students study under curriculum guidelines established by IPST and the Science Olympiad program (สอวน.).
• Confucius Institute (Hanban) - People's Republic of ChinaminorStrategic or Co-development PartnerPartnership for Chinese language education. ACT has established a cultural exchange center at the school in collaboration with the Confucius Institute. Chinese native speakers provide language instruction and cultural exchange activities.
• Cambridge University - Cambridge English Language AssessmentcoreTechnology or IntegrationEnglish language proficiency assessment aligned with Cambridge standards and CEFR (Common European Framework of Reference for Languages). Students take Cambridge Young Learners English Tests for progress assessment.
• St. Gabriel Foundation (มูลนิธิคณะเซนต์คาเบรียลแห่งประเทศไทย)flagshipStrategic or Co-development PartnerParent organization managing the ACT school and 16+ other educational institutions across Thailand. Provides educational philosophy, governance, and network resources including curriculum standards, teacher development, and shared best practices across the network.
• St. Gabriel's Foundation NetworkflagshipStrategic or Co-development PartnerInternational network of Catholic educational institutions operated by the Brothers of St. Gabriel across 26 countries worldwide. ACT is part of this global educational community, sharing resources, exchange opportunities, and the Montfort educational tradition.
• Saint Louis Marie de MontfortflagshipOthersFounder of the Brothers of St. Gabriel. His educational philosophy emphasizing faith, academic excellence, and service to others forms the foundation of ACT's educational mission. The school motto 'Labor Omnia Vincit' (Labor Conquers All Things) reflects his teachings on perseverance.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• International School Bangkok (ISB): Premier American-curriculum international school in Bangkok with comprehensive K-12 offerings. Competes for premium Bangkok families seeking internationally accredited education at a higher price point.
• Harrow International School Bangkok: Premium UK-branded international school in Bangkok offering British curriculum (IGCSE/A-Level). Competes for the highest-end Bangkok families seeking globally recognized credentials with strong STEM and English-language immersion—directly overlapping ACT's English/STEM positioning but at a higher price tier.
• Bangkok Patana School: One of Bangkok's largest and most established international schools, offering British curriculum and IB programs. Targets similar affluent families but operates at significantly larger scale and price point.
• Shrewsbury International School Bangkok: UK-curriculum premium international school in Bangkok. Targets the same affluent Bangkok families as ACT, with strong emphasis on English-language immersion, STEM, and holistic education comparable to ACT's value proposition.
• Nations International School of Thailand (NIST): Well-established international school in Bangkok offering full IB curriculum from K-12. Competes for the same premium-segment Bangkok families but serves a more international/expat audience with globally portable credentials.

Direct peers

• Assumption College (Bangkok main campus): The flagship Assumption College in Bangkok, also under the St. Gabriel Foundation network, offers the same Catholic K-12 model and Montfort educational philosophy. It is the most directly comparable institution, sharing governance, network advantages, and similar program structures with ACT.
• Bangkok Christian College: Historic Protestant-founded K-12 school in Bangkok serving similar affluent Thai families. Comparable in being a long-established, faith-based premium school with similar target demographic and English-language emphasis.
• Montfort College: St. Gabriel Foundation network school following the same Montfort educational tradition. Operates as a Catholic K-12 institution in Chiang Mai, making it directly comparable in mission and curriculum approach, though geographically separate.
• Saint Gabriel College: Another institution within the St. Gabriel Foundation network, offering K-12 Catholic education under the Brothers of St. Gabriel. Closely aligned mission, philosophy, and target families make it a direct comparable.
• St. Dominic School: Catholic K-12 institution in Bangkok with comparable bilingual curriculum and similar family segments. Direct overlap in mission and target market of Catholic families seeking premium K-12 education.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/Assumption-College-Thonburi-ACT-101724534871291
• LinkedInlinkedin.com/company/assumption-college-thonburi

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Assumption College Thonburi