The study aimed to evaluate the program of first teachers at the specialized Institute for professional training of teachers in the Sultanate of Oman according to the Kirkpatrick model in the level of (reactions, learning, behavior (application), final results), and to achieve the objectives of the study, the researcher relied on the descriptive curriculum, and A questionnaire was also built to evaluate the first Teachers program at the specialized Institute for professional training of teachers in the Sultanate of Oman according to the Kirkpatrick model, consisting of (38) paragraphs and the sample of the study amounted to (310) first teachers who completed the program of first teachers during the period of (2016 – 2023), The results showed a very high level for all levels of the Kirkpatrick model (reactions, learning, behavior (application), final results). the results also showed that there were differences in the opinions of participants in a program attributed to the gender variable, and there were no significant differences in the questionnaire dimension attributed to the specialization variable and years of service. the study recommended to use the Kirkpatrick model in evaluating other programs at the specialized Institute for vocational training in the Sultanate of Oman, and to use the questionnaire in measuring another program. Keywords: calendar, training, training programs, specialized institute, Kirkpatrick