This study aimed to 1) investigate the states and problems on the development of the students’ disciplines 2) explore guidelines on developing the students’ disciplines, 3) identify the effects of the development of the students’ disciplines at Chumchon Ueang Ko Na Di School under the Office of Nakhon Phanom Primary Educational Service Area 2. Tools used comprised a document analysis, observation, interview, and a questionnaire.  The target group consisted of 30 participants including the researcher, co-researchers, teachers, students, members of the school board, parents/guardians as well as community leaders.

The findings were as follows:

1.  The states and problems in developing the students’ disciplines at Chumchon Ueang Ko Na Di School revealed that some students faced a lack of disciplines on punctuality, keeping of cleanness, dressing and row assembly which should be developed to lead to actual practices for the students. The researcher and teachers in charge of developing the students’ disciplines designated  the activity of “ The Students’ Discipline Development Project.”

2.  The guidelines on the development of the students’ disciplines in accordance with  thew context of Chumchon Ueang Ko Na Di School included: 1) a study tour of the model school, 2) a workshop along with the following activities-“ Decent Landscape, Beautiful Thai Style Getting Along with IT, Juniors Respecting Seniors, Happy Fridays Along with Morality and Students’ Home Visiting.”, 3) tracking supervision.

3.  The effects of the operation of the development of the students’ disciplines at Chumchon Ueang Ko Na Di School indicated that the evaluation results on the students’ discipline behaviors prior to the operation by the teachers were at the high level in general with the mean of 3.60. After the development, it was determined that it was at the high level as a whole with the mean of 4.46. The effects of applying the development of the students’ disciplines step by step made the students who were regarded as the targeted group able to develop their disciplines in terms of punctuality, keeping of cleanness, dressing as well as row assembly at the better degree.