HIV/AIDS was declared a national disaster and health emergency in Kenya in the year 1999 and it has caused a lot of effects on education for children in the country. The existing literature indicates that children affected by Acquired Immune Deficiency Syndrome, require support activities in their institutions. The study was guide by the following objective: To identify effects of schools’ psychosocial support on participation of learners affected by HIV/AIDS in Baringo central sub-county. The study adopted mixed methodology, and Descriptive Survey research design as an overall plan for collecting data in order to answer the research questions. The study was guided by General Systems Theory. A theory which states that each an every concept is a system. The study employed stratified random sampling to select teachers from both private and public pre-schools. In this case, eight teachers from private schools and 94 teachers from public schools were selected. The target population was 507 pre-school teachers and head teachers. The researcher took a sample of 102 pre-school teachers and head teachers. A total of 34 head teachers and 68 pre-school teachers participated in the study. Data was collected was coded and analyzed through Statistical Package for the Social Science (SPSS) version. The study yielded both quantitative and qualitative data. The qualitative data were presented through tables. The study yielded both primary and secondary data where primary data were obtained through questionnaires while secondary data were collected from books and internet sources. The instruments were piloted in three pre-schools. The collected data was analyzed using descriptive statistical technique which includes mean, mode percentages and frequencies. Data was presented using tables and pie charts. The findings of this study revealed that it would be useful to the policy makers to develop policy intervention measures that will ensure that there are redress mechanism to enhance access to education among children affected by HIV/AIDS. The study is beneficial to the communities, headteachers, teachers and learners in their efforts towards sustainable education in accordance with the Sustainable Development Goals.