THE INTERNAL SUPERVISION ROLES OF SCHOOL ADMINISTRATORS AFFECTING THE EFFECTIVENESS OF SCHOOLS UNDER NAKHON RATCHASIMA PRIMARY EDUCATIONAL SERVICE AREA OFFICE 2 บทบาทการนิเทศภายในของผู้บริหารสถานศึกษาที่ส่งผลต่อประสิทธิผลของโรงเรียน สังกัดสำนักงานเขตพื้นที่การศึกษาประถมศึกษานครราชสีมา เขต 2

Abstract

The objectives of this research were 1) to study the level of internal supervision roles of school administrators, 2) to study the level of the effectiveness of schools, and 3) to study the internal supervision roles of school administrators affecting the effectiveness of schools under Nakhon Ratchasima Primary Educational Service Area Office 2. The samples were 310 teachers. The research instrument was a 5 rating scale questionnaire. The data were analyzed using frequency distribution, percentage, mean, standard deviation and the step-wise multiple regression analysis. The results found that:
1. The level of internal supervision roles of school administrators under Nakhon Ratchasima Primary Educational Service Area Office 2 as whole was at a high level. When considering each aspect found that all were at high levels. The highest influences were human resource development role, teaching and learning leadership role, building teachers' morale role, curriculum development role, human relations role and teaching evaluation role, respectively.
2. The level of the effectiveness of schools under Nakhon Ratchasima Primary Educational Service Area Office 2 as whole was at a high level. When considering each aspect found that the most aspects were at high levels. The highest influences were dropout rate, overall quality, job satisfaction, absenteeism rate and achievement, respectively.
3. Teaching and learning leadership role, human resource development role, building teachers' morale role and teaching evaluation role affecting the effectiveness of schools under Nakhon Ratchasima Primary Educational Service Area Office 2 significantly at the 0.01 level. The highest influence of internal supervision roles were building teachers' morale role, teaching and learning leadership role, human resource development role and teaching evaluation role. The multi correlation efficient between these roles and effectiveness of schools was 0.783. These roles were explainable the variance of effectiveness of schools at 61.40 percent.