
Nakornpayap International School (NIS) is WASC-accredited and offers a balanced U.S. standards-based curriculum with Advanced Placement (AP) opportunities. What sets NIS apart is our Education Through Diversity community, where students are known, supported, and inspired to grow through inquiry-based learning, world-class programs, and meaningful cultural connection.
Why Nis?
is the perfect way to describe the NIS Community.
We celebrate our differences and diversity through how we structure our academics, curriculum, activities and programming. We embrace, value, and recognize that the kaleidoscope of personalities, talents, and cultures is the foundation of our community and cannot be found or created anywhere else.
Whether through PTSA sponsorship, teachers chaperoning school events, or High School students mentoring . Elementary students - each facet of our school is ready to help and support each other. All members of the NIS Community are important and together we create educational experiences and irreplaceable memories for our students throughout their journey here at NIS.












Message from the School Director

As Director of NIS, I am proud to lead a school that has been at the forefront of international education in Northern Thailand for over three decades. Our commitment to educational excellence is reflected in our WASC accreditation and our comprehensive American curriculum that prepares students for success in an increasingly interconnected world.
At NIS, we believe that education extends beyond the classroom. We foster a collaborative partnership between educators, students, and families to create a nurturing environment where every child can thrive. Our holistic approach emphasizes not only academic achievement but also character development, cultural awareness, and the cultivation of leadership skills that will serve our students throughout their lives.
Warm regards,
School Director
From the Principal's Office

Welcome to Nakornpayap International School (NIS). Founded in 1993, NIS is the oldest secular international school in Chiang Mai and is fully accredited by the Western Association of Schools and Colleges (WASC), ensuring that our academic programs meet rigorous international standards and prepare students for universities worldwide.
NIS is committed to providing a safe, supportive, and intellectually engaging environment where students develop as critical thinkers, kind citizens, effective collaborators, and confident, lifelong learners. Our American Common Core–based curriculum, complemented by Advanced Placement (AP) courses, challenges students to reach their full academic and personal potential.
Exceptional educators are at the heart of our success, fostering high expectations, innovation, and collaboration within a supportive school community. By choosing NIS, you are joining a school that values academic excellence, holistic development, and a global perspective.
Warm regards,
Principal
Our Pride





Pass Rate
Percentage of AP exams where students earned a qualifying score of 3 or higher, reflecting overall exam success.
Total AP Students
Number of students enrolled in at least one AP course during the academic year.
AP Courses Offered
Total Advanced Placement courses available, providing students with diverse college-level learning opportunities.
AP Exams Taken
Total number of AP exams completed by students across all subject areas.
Students with Score 3+
Number of students who earned a qualifying AP score of 3 or higher on at least one exam.
What we offer
Learning atmosphere
NIS offers a multicultural, nurturing environment that balances diverse programs with personal attention.
Open space & modern facilities
Our campus features state-of-the-art facilities designed to support innovative learning and student growth.
Emphasis individuality
We recognize and celebrate each student's unique strengths, fostering personalized learning pathways.
Inquiry-based, hands-on learning
Students engage in active exploration and discovery, developing critical thinking through experiential education.
Testimonials
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Arno had a wonderful first summer camp at NIS. Thanks to all teachers and staff for the great care. We hope to return next summer!
Arno’s parent
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Thank you for caring for David at NIS. He loved his teachers and school life here, which makes saying goodbye especially hard
David's Parent
"
Kitten loved the NIS summer camp so much she asked to come back next year. Thank you to the staff for organizing such an amazing experience.
Kitten's Parent
"
Our family comes from overseas, and the transition was easier than we expected. The school helped us feel at home.
Ji Yeon Kim's Parent
"
Our child settled in so quickly at NIS. The teachers are caring and supportive, and we’ve always felt welcomed as a family.
Luo's Parent
"
Choosing NIS was the right decision for our family. After moving from the U.S., we found a supportive school that truly encourages students to grow.
Meng's Parent
"
What we value most is the sense of community. Teachers know the students well and genuinely care about their development.
Ruby's Parent
"
After 10 years at NIS, my child still enjoys coming to school every day.
Siripatsorn's Parent
If you would like to share your experience with the NIS community, please feel free to reach out to us at marketing@nis.ac.th. We would love to hear from you.

Admission Process
Newsroom
Press release

Feb 5, 2026
NIS Achieves Full WASC Accreditation Through 2032
Press release

Jan 4, 2026
A Fresh Look for the Adventure Building: Sneak Peek of Our Elementary Renovation
Events
Cultural

Feb 7, 2026
International Day 2026
Academic

Feb 13, 2026
CMCIS Art Exhibition 2026
Academic

Mar 9, 2026
Middle School Still Life Drawing Competition