The objectives of this study were 1) to study factors of curriculum staff school image career path and environment of Chitralada School (Vocational Programme) and 2) to compare those factors affecting to study in a vocational certificate level of students at Chitralada School (Vocational Programme). The participants consisted of 324 vocational certificate level students from year 1 to year 3 in Academic Year 2018. The research instrument was a questionnaire. To analyze the questionnaire data the researcher employed percentages mean and standard deviation. The hypothesis was compared by F-test. The Fisher’s Least-Significant Difference (LSD) was utilized to determine the significant differences at .05 level. The findings in this study revealed that most students were male whose ages were 17 years old. Their Grade Point Average (GPA) was 2.51-3.00. Their guardians were government officials and their incomes were 20001-30000 baht. The results were 1) To study five factors of the students at Chitralada School (Vocational Programme) it was found that the students had opinions towards each factor at high level on career path curriculum school image school environment and staff respectively.2) To compare those five factors affecting to study it was found that the students with different majors and guardians from different careers had different opinions in terms of curriculum school image and career path. In addition the students who had guardians with different incomes had different opinions in terms of staff.

The purposes of this research were to study and compare behavior knowledge and attitudes towards food consumption based on gender and BMI in order to promote the solutions to reduce overnutrition of students at Chitralada School (Vocational Programme). The subject consists of 143 students who are overnutrition at Chitralada School (Vocational Programme) in Bangkok in academic year 1/2017. The sample group was randomized through stratified. The research instrument was a questionnaire on the solutions to reduce overnutrition of students at Chitralada School (Vocational Programme). The data were analyzed by percentage mean and standard deviation compared by t-test and F-test with statistical significance level of .05. The research outcomes revealed that students at Chitralada School (Vocational Programme) who have over-nutrition had a good Behavior of food consumption not sure attitudes towards food consumption and a good knowledge towards food consumption. Comparing food consumption behavior attitudes toward food consumption and knowledge towards food consumption based on gender and BMI the result was that female students have better knowledge towards food consumption than male students with statistical significance level of .05. Otherwise there is no differentiation. The major opinion in solution regarding reduction of Over Nutrition of Chitralada Vocational School Students suggested that the School should provide knowledge for students by making poster and brochures.