Background: Self-concept is important to students' physical and psychological heath that results in the body image appearance.  The aim of the study: Was to evaluate the effect of health educational program to enhance self-concept among female Secondary Schools students about body image. Research design: A quasi-experimental design was used. Setting: The study was conducted atAl-Shimaa Secondary School at Benha City.  The sample: Systematic random samplewas used, it included 110 students. Tools of data collection: Three tools were used I: A structured interviewing questionnaire to assess; part1) Demographic characteristics of students, part 2) Knowledge and practice of students regarding self-concept. II: Tennessee Self-Concept Scale was used to assess self-concept of students and III: Body Image lickert Scale used to assess body image of students. Results: 82.7% of female Secondary School students had good knowledge about self-concept and body image, 89.1% of students had satisfactory practices, 50% of students had high self- concept, 51.8 % had high body image, and there was highly statistically significant correlation between total self-concept and total body image. Conclusion: Female secondary school students' knowledge and practices about self-concept and body image at Al-Shimaa Secondary School were improved after program implementation. Recommendations: Students should use developed simplified and comprehensive Arabic booklet, developing intervention programs that enhance development of positive self-concept and future research is proposed generate the effect of health educational program to enhance self-concept among students about body image on larger scale.