Development of Online Student Assessment System: Thailand’s Office of the Basic Education Commission Standardized Tests

This study aims to develop an online student assessment system for the following subjects: Thai, Math, Science, Social Studies, Religions and Cultures, and English. The targets include students in fundamental grade 2, 4, 5, 7, 8, teachers, Educational Service Area Offices, and Office of the Basic Education Commission (OBEC). The data analysis employs Descriptive Statistics, Difficulty Index, Discriminant Index, and Reliability Index. The system developed comprises of 3 main functions: test response record, score reports, and item analysis. The response record is designed to be specifically match each subject’s test patterns in that year. The score report will provide instant results in 4 level: student individual level, school level, educational service area level, and national level. Lastly, the item analysis can provide results in both individual item and test basis.