The purpose of the study was to determine the perception of ECD teachers towards performance-appraisal. The study was on perception. The study was carried out in Sergoit Zone ofUasin Gishu District, Kenya. The study adopted a theoretical framework i.e. systems theory. The main purpose of the study was to investigate the ECD teacher perfo rmance appraisal and its effect to effective school management. A case study wasadop ted for the study. The target population was 46 comprising of teachers and headteachers and a sample size of 23 was considered for the study obtained through random sampling. The headteacher was purposely selected while the teachers were picked randomly (at least one teacher from every school. Questionnaires and interview schedules were used to collect the data and analyzed by use of tables and percentages. It was established from the field that 12.5% of the respondents strongly disagreed that appr~aisal is not objective, 12.5% also disagreed that appraisal is punitive, 43.8% agreed that appraisal is good for them, 18.8% strongly agreed that performance is reviewed because of reward and incentive pay and 12.5% of the respondents were undecided. The recommendations were that employees should have the oppothmity to review and make comments written or verbal about their appraisals before they become final, and should hava a formal appeals process through which to appeal their ratings.