Mentoring of Master Teachers in Higher-Order Thinking Skills Training for Junior High School Science Teachers in Bogor Regency

The purpose of this community service activity is to carry out activities to disseminate science subject for higher-order thinking skills by master teachers to Junior High School teachers and to improve the concept abilities of Junior High School teachers in Bogor Regency regarding science subject for higher-order thinking skills. The activity was carried out at SMP Negeri 1 Dramaga involving 23 science teachers and at SMP Negeri 2 Cibinong involving 25 science teachers. This activities used participatory approach. The steps for implementing this disseminate activity are: the preparation, mentoring of the master teacher, training implementation, and analyzing pretest and posttest data. The results of N-Gain, it was obtained that there was an increase in higher-level thinking skills by 0.75 with a high category for teacher participants at SMP Negeri 1 Dramaga, and by 0.62 with a moderate category for teacher participants at SMP Negeri 2 Cibinong.