This study aimed to answer the following main question: What is the role of kindergarten principals as resident supervisors in improving the performance of parameters from the parameters point of view? In order to achieve the objectives of the study, the researcher followed the descriptive approach, and designed a questionnaire consisting of (64) paragraphs divided into four areas: Planning, implementation of teaching, classroom management, evaluation.) The questionnaire was distributed to kindergarten teachers in Homs, (Government and private).