The aims of the research was to compare the students’ learning achievement prior and after the learning by (Self-Directed Learning SDL) model of the 1rd Year ot Physical and Health Development of Young Children Course Students, Faculty of Education, Kalasin University. The samples were 33, 1rd year majoring to elementary students used to be trained by the Purposive sampling in the 2nd semester 2019. The research instruments were lesson plans of Purposive Sampling, achievement test, learners’ behavior assessments. The statistics used Means, Percentages, Standard Deviation, T-Test Dependent Sample. The results found; prior trying out, students’ learning by self-directed learning achievement, the students met academic achievement at the Means of 10. 31, 34. 38 percentages, Standard Deviation 2.03 after learning by Self-directed learning model, it was at the Means of 14. 75, 49. 16 percentages, Standard Deviation 1.92 which is higher significantly different at 0.05 level.