BELTEI International School, a private educational institution, was founded on January 1, 2002 at Nº 77, Street 125, Sangkat Veal Vong, Khan 7 Makara, Phnom Penh city, originating from CHHENG HEA School. The “BELTEI” is an acronym consisting of six major subjects: Business, Economics, Law, Tourism, English, and Information Technology.

His Excellency Dr. LY CHHENG, a Member of the National Assembly for Phnom Penh Capital City, the Director-General of BELTEI Group and the Chairman of the Board of Directors of BELTEI International University, is the only founder who has invested the capital to establish and construct the buildings of BELTEI International School Campuses.

Nowadays, BELTEI International School has 26 campuses and 5 main programs as below:

1. General Education (Grade 1 to Grade 12): This program is designed and conducted in accordance with the Ministry of Education Youth and Sports' (MoEYS) curriculum and syllabus. In addition to this, we also provide English, Computer classes and 9 main extra curricular courses on the existing program to our students.

2. English as a Second Language (Preschool, Level 1 to 6 - for Young Learner, Level 7 - 12 for Adult Learner): This is an American system. Students in level 12 (High Advanced Level) are eligible for two kinds of certificates: 1- BELTEI ESL DIPLOMA and 2- The International Certificate “IELTS” given by British Council, located in London, the UK.

3. Chinese as a Second language (Preschool, Level 1 to 6 for Young learners, Level 7-12 for Adult Learner): This is an Standard Mandarin system. Student in Level 12 (High advance level) are eligible for two kind of certificate: 1- BELTEI CSL DIPLOMA and 2- The international Certificate “HSK” issued by Confucius Institute Headquarters/Hanban, located in BEIJING, the People’s Republic of China.

4. Intelligent Mental-Arithmetic (IMA): Helps to speed up the calculation and development of the child's brain using a smart, professional, and quick way through the use of Abacus and advanced science teaching techniques. Including 5 levels of Problem Solving books (Activate Your Thinking Power) for students to learn, solve and create their own problems to meet the needs of modern education.

5. International Test Preparation Courses: BELTEI International School was authorized and granted a license to operate the official International Test Centers as follow:

​ ​ ​ ​1- TOEFL iBT Center from ETS, the US

​ ​ ​ ​2- IELTS Test Center from British Council, located in London, the UK

​ ​ ​ ​3- GRE Test from the US

​ ​ ​ ​4- Prometric JFT-Basic from Japan

​ ​ ​ ​5- Singapore International Math Contests Center from Singapore.

BELTEI International School unanimously approved and organiz-ed “BELTEI Standard” for all BELTEI campuses in order to carry out the same principle such as: the examination date of Monthly Test, Midterm Test, and Semester Exam. The directives, internal rules, guidelines, all other documents, the commencement of General Education, terms for ESL, school fees, documents in grade or level and the leading principles are determined by the BELTEI management.

BELTEI International School has expanded itself from one campus to twenty-four campuses which each has 7 to 9 storeys with a base-ment used for parking. All the campuses are owned and built by BELTEI Construction Company of BELTEI Group.

It is located at No.77, Street 125, Sangkat Veal Vong, Khan 7 Makara, Phnom Penh city, and it was officially inaugurated on January 01, 2002 and presided over by Mr. Oum Hoeung, Director of Phnom Penh Municipal Department of Education, Youth and Sport. It is a five-storey building with 41 rooms.

It is located at No.34, Street 432, Sangkat Toul Tum Poung 1,Khan Chamkarmon, Phnom Penh city and is the new campus which was totally moved from the old campus (Mao Tse Toung) located at 189, Mao Tse Toung Boulevard, Sangkat Tuol Svay Prey I, Khan Chamkarmon, Phnom Penh. It was opened on May 15, 2004, but it was completely closed on August 30, 2007 because the leasing contract was due. It was reinaugurated on May 09, 2011 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and Director of BELTEI International Institute. It is a seven-storey reinforced concrete building with 52 rooms and a basement for parking.

It is located at No. 10A, Street 118, Sangkat Phsar Depo 3, Khan Tuol Kork, Phnom Penh city. It was inauguration on October 30, 2014, and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and President of BELTEI International University. It is the transformation of the former BELTEI Campus 3 (DN) into the new one (It's been operated since April 20, 2005) due to the end of the contract. It is a seven-storey reinforced concrete building with 60 rooms and basement and ground floor for parking lot.

It is located at No.54, Street 488, Sangkat Phsar Doeum Thkov, Khan Chamkamon, Phnom Penh city. It was inaugurated on August 03, 2006 and highly presided over by His Excellency Kep Chutema, Phnom Penh Municipal Governor. It is a six-storey reinforced concrete building with 45 rooms.

it is located at No.36, National Road No. 1, Sangkat Char Ampeou, Khan Meanchey, Phnom Penh city. It was inaugurated on August 02, 2007 and highly presided over by His Excellency Mob Sarin, Deputy Phnom Penh Municipal Governor. It is a six-storey reinforced concrete building with 73 rooms and a basement for parking.

It is located at No.25A, Street 105, Sangkat Boeung Prolit, Khan 7 Makara, Phnom Penh city. It was inaugurated on June 03, 2008 and highly presided over by His Excellency Kep Chutema, a Personal Advisor to Samdech Akka Moha Sena Padei Techo Hun Sen, the Prime Minister of the Kingdom of Cambodia and Phnom Penh Municipal Governor. It is a seven-storey reinforced concrete building with 63 rooms.

It is located at No.96, Corner of Street 160 and 265, Sangkat Tuk Laak 2, Khan Toul Kork, Phnom Penh city. It was inaugurated on October 13, 2008 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and Director of BELTEI International Institute. It is a seven-storey reinforced concrete building with 65 rooms and a basement for parking.

It is located at No.123, Russian Federation Blvd, Sangkat Kakab, Khan Porsenchey, Phnom Penh city. It was inaugurated on May 18, 2009 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and Director of BELTEI International Institute. It is a four-storey reinforced concrete building with 50 rooms.

It is located at No.3032, Corner of Veng Sreng Street and 217, Sangkat Steung Meanchey, Khan Meanchey, Phnom Penh city. It was inaugurated on March 11, 2010 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and Director of BELTEI International Institute. It is a reinforced concrete with seven-storey building with 135 rooms and a basement for parking.

It is located at No.57, Corner of Street 217 and 290, Sangkat Tuol Svay Prey 2, Khan Chamkarmon, Phnom Penh city. It was inaugurated on September 13, 2010 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and Director of BELTEI International Institute. It is a seven-storey reinforced concrete building with 55 rooms and a basement for parking.

It is located at No.1796, National Road No.5, Phsar Toch village, Sangkat Tuol Sangke, Khan Russey Keo, Phnom Penh city. It was inaugurated on September 1, 2011 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and Director of BELTEI International Institute. It is a seven-storey reinforced concrete building with 65 rooms and a basement for parking.

It is located at No.2258, Hanoi Street (1019), Sangkat Teuk Thla, Khan Sen Sok, Phnom Penh city. It was inaugurated on May 9, 2013 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and President of BELTEI International University. It is a seven-storey rein- forced concrete building with 81 rooms and a basement for parking.

It is located at No.163, Corner of Street 528 and 353, Sangkat Boeung Kak 1, Khan Tuol Kork, Phnom Penh city. It was inaugurated on December 2, 2013 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and President of BELTEl International University. It is a seven-storey reinforced concrete building with 60 rooms and a basement for parking.

It is located at No.786A, National Road No.2, Kropeu Ha Village, Sangkat Prek Russey, Takhmao Town, Kandal Province. It was inaugurated on May 4, 2015 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and President of BELTEI International University. It is a seven-storey reinforced concrete building with 70 rooms and a basement for parking.

It is located at No.119A, National Road No.4, Chumpou Vorn Village, Sangkat Chaom Chao, Khan Posenchey, Phnom Penh city. It was inaugurated on September 7, 2015 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and President of BELTEI International University. It is a five-storey reinforced concrete building with 65 rooms and a basement for parking.

It is located at No.77A Veng Sreng Street, Chrey Koang Village, Sangkat Chaom Chao, Khan Posenchey, Phnom Penh city. It was inaugurated on May 30, 2016 and highly presided over by H.E. Dr. Ly Chheng, Director-General of BELTEI Group and President of BELTEI International University. It is a four-storey reinforced concrete building with 82 rooms and a basement for parking.

It is located at the National Road No.5, Sangkat Svay Pak, Khan Russey Keo, Phnom Penh city. It was inaugurated on July 27, 2017 and highly presided over by H.E. Dr. Ly Chheng, a Member of the National Assembly for Phnom Penh Capital City, Founder and Director-General of BELTEI Group and the Chairman of the Board Director of BELTEl International University. It is a Seven-storey reinforced concrete building with 70 rooms and a basement for parking.

It is located at the National Road No.1, Prek Chang Prom Village, Sangkat Veal Sbov, Khan Char Ampov, Phnom Penh city. It was inaugurated on March 29, 2018 and highly presided over by H.E. Dr. Ly Chheng, a Member of the National Assembly for Phnom Penh Capital City, Founder and Director-General of BELTEI Group and the Chairman of the Board Director of BELTEl International University. It is a eight-storey reinforced concrete building with 72 rooms and a basement for parking.

It is located at the National Road No.6A, Sangkat Prek Leab, Khan Chroy Changvar, Phnom Penh city. It was inaugurated on July 25, 2018 and highly presided over by H.E. Dr. Ly Chheng, a Member of the National Assembly for Phnom Penh Capital City, Founder and Director-General of BELTEI Group and the Chairman of the Board Director of BELTEl International University. It is a eight-storey reinforced concrete building with 70 rooms and a basement for parking.

It is located at National Road No.3, Sangkat Chaom Chao 3, Khan Porsenchey Phnom Penh. It was inaugurated on March 04, 2019 and highly presided over by H.E. Dr. Ly Chheng, a Member of the National Assembly for Phnom Penh Capital City, Founder and Director-General of BELTEI Group and the Chairman of the Board Director of BELTEl International University. It is a five-storey reinforced concrete building with 75 rooms and a basement for parking.

It is located at Street Okhna Triheng (2011), Kork Kleang Village, Sangkat Kork Kleang, Khan Sen Sok, Phnom Penh. It was inaugurated on September 03, 2020 and highly presided over by H.E. Dr. Ly Chheng, a Member of the National Assembly for Phnom Penh Capital City, Founder and Director-General of BELTEI Group and the Chairman of the Board Director of BELTEl International University. It is nine storey reinforced concrete building with 115 rooms and a basement for parking.

It is located at National Road N2, Krang Svay sangkat Prek Kompues, Khan Dangkor, Phnom Penh. It was inaugurated on August 30, 2021 and highly presided over by H.E. Dr. Ly Chheng, a Member of the National Assembly for Phnom Penh Capital City, Founder and Director-General of BELTEI Group and the Chairman of the Board Director of BELTEl International University. It is nine storey reinforced concrete building with 156 rooms and a basement for parking.

It is located at Phum Brakar, Sangkat Prey Sar, Khan Dangkor, Phnom Penh.

it is located at #4, National Road N8, Prek Tamak Commune, Khsach Kandal District, Kandal Province.

Located nearby the Beoung Tompun Pumping Station, Street 371, Tot Chrum 3 Village, Sangkat Beoung Tompun, Khan Mean Chey, Phnom Penh

Located at Street 369, Sangkat Prek Pra, Khan Char Ampov, Phnom Penh