Innovative and creative instruction is key towards helping learners in schools understand concepts being taught and perform well in their studies. One of the expectations from teacher performance appraisal and development (TPAD) is that teachers should make sure that they make their lessons to be innovative and creative in order for learners to develop knowledge and acquire required competencies. This paper looks at how teachers are using creativity and innovation in their teaching and its influence on learners’ academic achievement in public primary schools. The study was conducted in public primary schools in Marakwet East Sub County involving all teachers (581) and headteachers (83) employed by the Teachers Service Commission (TSC). A descriptive survey design was utilised for this investigation. A sample size representing 20.0% of respondents 17 head teachers and 117 teachers who were selected via a simple random sampling method. The instruments used to collect data consisted of questionnaires for teachers and interview schedules for headteachers. Data collected was analysed using quantitative and qualitative methods. The study found out that teachers’ use of creativity and innovation methods influenced learner academic achievement. However, the research found that the usage of ICT resources was low and this explains how very few teachers were accessing and utilising online resources for their learners. This means that despite teachers having the capacity to effectively make sure their classrooms experiences involve innovation and creativity is hampered by a lack of adequate infrastructure facilities like computers, laptops, internet, and electricity. In conclusion, teachers’ use of creativity and innovation approaches in teaching was found to influence the academic performance of learners in public primary schools in Marakwet East Sub County. The paper recommends that government needs to ensure that all schools are connected to the national grid of fibre optic cable and electricity