Abstract: The establishment of the School Governing Boards (SGBs) and the School Management Teams (SMTs) in South Africa was to ensure that educators, parents, learners and non-teaching staff actively participated in the governance of the schools and provide an adequate environment for teaching and learning. In this study, researchers report the findings of a study conducted in the year 2012 at one school in Mpumalanga Province to assess the support given by the SGB and SMT in the teaching and learning of science and mathematics subjects at the school. The sample of the study consisted of the SGB and SMT members, mathematics and science educators and students. Structured interview schedules were used by researchers to collect data. The findings showed that there was poor communication between the SGB, the SMT, educators, students and parents. There was also some disagreement among SGB and SMT members on issues regarding their responsibilities, school security, school finance management and school meetings. The challenge also faced by the school was associated with lack of sufficient teaching and learning materials, quality instruction, little help to students at school and at home to effectively support the teaching and learning of science and mathematics. The SGB and SMT did not provide necessary teaching and learning materials such as textbooks, lab equipment, calculators, computers, exercise books and study guides for effective instruction of science and mathematics subjects. To achieve the set objectives at the school and effectively support the teaching and learning of science and mathematics at the school, it was recommended that the SGB and the SMT create smooth communication mechanisms and set some strategies to attend issues raised in the study. Communication with parents/guardians should encourage them to support their children at home and reduce the number of house duties to give them more time to study and work on assignments. The SMT in consultation with the SGB and the department of education should find ways of providing short courses or in-service workshops to educators in topics that the educators found difficult to teach. The SGB and the SMT should provide necessary learning materials for effective teaching of mathematics and science subjects at the school.