This study has the following objectives: 1. Develop a manual for training;2. Evaluate knowledge and understanding before and after training; and 3.Study the relationship between personal factors and satisfaction towards training according to the intensive preparation and development curriculum for assistant teachers under the Office of the Non-Formal and Informal Education. The research sample consisted of 208 teacher public servants and educational personnel under the Office of the Non-Formal and Informal Education. This study utilized a consistency evaluation form of the Office of the Non-Formal and an Informal Education professional teacher manual which is evaluated by experts. The consistency is 0.80 -1.00. The reliability of satisfaction evaluation form towards orientation and training activities according to the intensive preparation and development curriculum for assistant teachers under the Office of the Non-Formal and Informal Educationis .9433. Data analysis was performed using statistical software. The study results indicate that: 1.The evaluation of professional teachers of the Office of the Non-Formal and Informal Education manual is consistent in all aspects consisting of 1) national strategy, 2)philosophy and objectives and criteria defined by the Office of the Non-Formal and Informal Education, 3) goal of the orientation, 4) orientation activity structure, 5) content and activities of the orientation, 6) form of orientation activity organizing, and 7) value-added and worthiness of orientation activities when the consistencies range from 0.8 to 1.00 which meet the defined criteria;2.Assistant teachers have more knowledge and better understand practice and operations after attending training; and 3.Personal factors in terms of age are significantly related to satisfaction towards the training activity organizing at a statistical significance level of .05.