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Ruamrudee International School (RIS) is a private, Catholic international school located in Minburi, Bangkok. Founded in 1957, RIS offers education from Pre-Kindergarten to Grade 12 welcoming students of all faiths and nationalities. The school follows a U.S.-based curriculum, offering the American high school diploma, with additional pathways through the International Baccalaureate (IB) Diploma Programme, Advanced Placement (AP) courses, and the IB Career-related Programme (IBCP). The campus features facilities including modern science and computer labs, a performing arts center, two libraries, athletic fields, a swimming pool, fitness centers, maker spaces, and dedicated areas for early childhood education.
6 Soi Ramkhamhaeng 184, Khwaeng Min Buri, Min Buri, Bangkok 10510, Thailand
Ruamrudee International School has 1,200 pupils, typical class sizes of 22, instruction in English.
Ruamrudee International School is located on Ramkhamhaeng 184 Road in the Minburi district of eastern Bangkok. The school is situated in a residential area with convenient access to major roads such as Ramkhamhaeng and the Outer Ring Road. It offers a spacious campus away from the congestion of central Bangkok.
Ruamrudee International School is divided into Early Years, Elementary, Middle School, High School.
Ruamrudee International School is a co-educational day and boarding school.
RIS provides dedicated learning support through its Student Support Services, which includes specialists for English Language Development (ELD), Learning Support (LS), and counselling. Students with mild to moderate learning needs receive tailored interventions in areas such as reading, writing, executive functioning, and organization. Support is based on assessment and integrated with classroom learning where appropriate.
Ruamrudee is not affiliated with any country.
Ruamrudee International School is a Catholic school founded by the Redemptorist Fathers of Thailand. While it maintains a Christian ethos, the school welcomes students of all faiths and offers religious studies as part of its values-based education.
The school does not have publicly available information on their day structure.
The school does offer a bus service for students through a partnership with Montri Transport Corporation, a well-established school transportation provider in Thailand.
Annual tuition at Ruamrudee International School ranges from THB 538,400 to THB 786,000 for 2026/27.
Ruamrudee International School teaches IB (DP), IBCP (International Baccalaureate Career-related Programme), Advanced Placement (AP), American Curriculum for students aged 2 to 18.
Ruamrudee International School offers a US-style curriculum across all grade levels, culminating in a U.S. high school diploma. In Early Childhood (incorporates the Reggio Emilia approach) and Elementary (PreK–Grade 5), the curriculum emphasizes literacy, numeracy, and inquiry-based learning, integrating specialist subjects like music, art, PE, and Thai. Middle School (Grades 6–8) builds foundational skills with core subjects, English, math, science, social studies, and offers electives including world languages, performing arts, and STEM, guided by the American Education Reaches Out (AERO) standards. High School students (Grades 9–12) follow a credit-based system and can choose from a range of Advanced Placement (AP) courses starting in Grade 9. In Grades 11–12, students may opt to pursue the full International Baccalaureate (IB) Diploma Programme or individual IB courses alongside AP and general courses. Advisory programs, service learning, and co-curricular activities are integrated at all levels.
RIS embeds SEL in its counselling and Student Study Team process. Section-based counsellors regularly meet with students, collaborating with teachers and parents to develop welfare or support plans. The school offers explicit lessons on topics like digital citizenship, safe touch, and peer behaviour in elementary and middle school. Staff receive yearly training on recognizing and reporting emotional distress and bullying. SEL support continues through small-group and individual counselling across all levels.
RIS offers a Learning Support (LS) programme from Pre‑K to Grade 12, focused on students with identified learning difficulties in areas like reading, writing, or mathematics. Identified students receive psychological and educational evaluations, then follow an Individual Education Plan (IEP) developed by a multidisciplinary team including parents, teachers, counsellors, psychologists, speech therapists, and LS teachers. It is not a specialist SEN institution but offers tailored support to help students access mainstream curriculum.
RIS provides a structured English Language Development (ELD) programme across all sections to help non-native speakers reach academic-level English fluency. Beginner to advanced learners are grouped by proficiency and receive support via pull-out, push-in, or co-teaching in mainstream classes. Progress is tracked with MAP, NWEA, and WIDA MODEL assessments, with accommodations applied as students advance.
RIS’s section counselors engage directly with students to monitor wellbeing, identifying personal, social, and academic issues while collaborating with teachers and parents as needed. The Student Study Team oversees this process to ensure coordinated support for mental wellness. Support is delivered collaboratively, involving teachers, parents, and, in some cases, external professionals to better understand and address each student’s needs.
RIS maintains a dedicated Child Safeguarding Task Force, led by a Designated Safeguarding Lead (DSL), supported by deputies, counselors, and section principals. It enforces a safeguarding code of conduct aligned with the Thai Child Protection Act and UN Convention on the Rights of the Child. All staff undergo annual safeguarding and conduct training, and recruitment includes police checks along with formal conduct policies for visitors and staff. Electronic gate systems, ID card access, CCTV monitoring, and reporting protocols support on-site child protection.
1. Attend a school tour or open house (optional).
Families can book a campus tour to explore facilities and meet faculty. This helps you decide if RIS aligns with your child’s needs .
2. Submit the online application.
Go to RIS's apply now page to complete the form and pay the application fee.
3. Provide required documents.
Submit the student’s passport (with visa) for immigrants, birth certificate, the past three years of school report cards (in English or certified translation), and, for Catholic students, a baptismal certificate. Thai applicants also need Thai household registration and ID.
4. Schedule assessments and interviews.
Pre-K 2 (Early Years Campus): Developmental observation and parent interview with administrators.
Pre-K 3 & 4: Developmental screening with the school psychologist (parents have to attend).
KG & Grade 1: readiness screening and W-APT test; parents present.
Grades 2–12: MAP testing in Reading & Math plus a writing test.
ELD learners: WIDA-Screener test; Learning Support students may need psychological/educational evaluations.
5. Receive admission decision.
The admissions team reviews test results and grade placement, then issues an acceptance letter with registration forms and a payment invoice.
6. Complete registration and pay fees.
Finalize enrollment by submitting required forms and payment by the invoice due date. After acceptance, the parents should pay the required fees.
RIS offers several scholarship and tuition reduction opportunities, each with its own focus, eligibility, and requirements:
1. Griffith Scholarship
Open to both current students and new applicants, this scholarship provides up to 30% tuition reduction. It recognizes excellence in academics or visual & performing arts, and is named after Fr. Thomas Griffith, founder of the Minburi campus.
Eligibility and application details:
Must submit the online application and portfolio documentswhich includes transcripts, certificates, artworks, and media, by March 31 annually.
Academic applicants need a GPA of 3.75+, test scores, awards, community service, leadership, and two recommendation letters.
Visual/Performing Arts applicants (middle & high school) need a GPA of 3.25+, evidence of artistic achievement (e.g. awards, recordings, portfolio), and recommendation letters.
Career Excellence candidates (middle & high school) must show national/international achievement in a specific field, a GPA of 3.25+, supportive documentation, and recommendation letters.
Scholarships are subject to annual review and require recipients to maintain academic and behavioral standards. Serious infractions can lead to suspension or termination. RIS may modify terms each year.
2. Diversity Scholarship
A 15% tuition reduction aimed at families from underrepresented nationalities.
Available year-round (rolling admissions) for new students whose both parents hold non-Thai passports.
Limited availability: once a nationality exceeds 10% of the student body, no further scholarships are offered to that group.
Not combinable with sibling reductions, alumni reductions, or Griffith Scholarships. Recipients must maintain good character and discipline; terms are reviewed annually.
3. Alumni Parents Tuition Reduction
Recognizes RIS alumni parents enrolling their children.
Reduction rates per child:
20% if both parents are alumni or attended RIS for 6+ years.
10% if one parent attended for 1–5 years.
Available year-round, valid through graduation or withdrawal, subject to annual review. Requires proof of alumni status via the Registrar in the Advancement Office.
4. Sibling Reduction
Aims to support families with multiple children enrolled at RIS.
Provides a 50,000THB discount on the non-refundable registration fee for each additional child.
Tuition is reduced by 15,000THB per semester for each enrolled sibling.
Only one benefit per student (scholarship or sibling reduction) is allowed.
RIS offers a variety of financial reductions including merit-based, diversity, alumni, and sibling opportunities. Each has specific eligibility criteria, application processes, and conditions. None of these can be combined, families must choose the one that best fits their situation.
If classroom seats are full, applicants may be placed on a waitlist.
Being waitlisted does not guarantee a spot, it’s dependent on availability as spots open up.
The system offers fairness but does not ensure placement for all applicants.
If not waitlisted, the school will notify parents and suggest reapplying in the next cycle.