The study appraises the implementation of guidance and counseling program on the academic performance of selected high school students in Sengerema District. To accomplish this work four research objectives guided the study as follow; to identify the attitudes of students towards educational/career counseling in their schools, to determine the professional qualifications of the teacher counselors handling guidance and counseling programs in high schools; to examine academic performance among high schools students in Sengerema district and to assess the intervention measures in handling the challenges facing guidance and counseling programs in schools. . A total population were 420, A sample size was 200 respondents was included 135, students, 60 were teachers, 04 Heads of schools and 01 District education officer. However, the study employed mixed research approaches that were the qualitative and quantitative approach. Qualitative data can be analyzed quantitatively (Nuttal, Shankar & Beverland, 2011; Atieno, 2009, p. 17. This study used triangulation research design whereby a researcher collected both quantitative and qualitative data together and analysis was used including questionnaires and guided interview.Moreover, the main findings of this study were; schools take guidance and counselling seriously and are given for career/educational guidance, students prefer to go to their parents for counselling, Support from the school administration, guidance and counselling is not by competent teacher counsellor but also other teachers, help students make good career choice for their future, restoring order and discipline in the school, students academic performance increases due to guidance and counselling. Moreover, the study revealed that among the measures to handle the challenges facing guidance and counseling include, provision of training to teachers counselor, provision of the needed resources for guidance and counseling, teachers through their professional to advise students to be open towards their problems, motivation to teachers counselor so that to handle students cases nicely. The study concluded that guidance and counseling are crucial in high schools. Guidance and counseling services offered in high schools of Sengerema involved educational guidance, career guidance, and behavioral aspects. The headmaster is supposed to put much effort in ensuring guidance and counseling so as to have students who are well disciplined and can make their career choice for their future