World is a world of limitless communication. There is a progress to the technologies quickly. The majority of communication is English, a universal language. In the current, Chinese became important in the world of communication. Nanthawan International School recognizes the importance of this issue. Teaching has focused on three languages: English, Chinese and Thai to the communication skills to students. This will be useful in the life and career in the world of competition in the future.

Thai language is another language that is important. Students in Thailand have to learn the Thai language. Through listening, speaking, reading and writing properly and to learn about Thai culture, way of life, good harmony, love and pride of the Thai nation. Commitment to democracy, with the King as Head of State. The Nanthawan International School Curriculum Teaching Thai keeping the core curriculum for basic education in 2551 AD as the Ministry of Education.

-Reading for knowledge creation process of reading and thinking. To be used to make decisions about various and cultivate the reading habit to the students.

-Writing process. Writing for Better Communication such as Essay writing, Written summary, Writing stories in various forms, Report writing, presentation, information forms. 

-Listening, viewing and speaking skills, students have to choose and listen with a critical view. You can use the Thai language in speaking to express the creative opportunities and appropriate

-Principles of Thai students understand the principles and nature of Thai The evolution and structure of language Knowledge of language Conservation awareness in Thai for the Thai national identity and properties.

-Learn to understand literature and literary criticism, literature and comments in the Thai literary value. Those can be applied in real life.

-Page citizen. Cultural and social life in order to understand and practice good citizenship their duties. Have good values. Thai traditions and worldly. Can play a role in Thai society and the world community of peaceful and happy. As well as to learn the Thai nation. Current regime. Traditional areas. To be proud and hold the Thai.

The school curriculum of Thai and Thai culture. From kindergarten - grade 5 class periods per week. The Thai teachers with knowledge and experience in teaching. To cultivate understanding Thai language and culture provide an excellent learning continuously. Importantly, students have learned the activities happily.