Students should have the ability to concentrate during the learning process so that they are able to follow the learning process and achieve the expected learning objectives. Classical guidance services through the Jigsaw type cooperative learning method aims to increase concentration in following lessons. Participants in this activity were 21 students of class VIII-A of the Satya Wacana Christian Middle School in Salatiga. Service activities are carried out in three stages: the initial stage, the core stage, and the closing stage. Based on the analysis, it was found that 15 people got a Very High score (71%), 5 people got a High score (24%), and 1 person got a moderate score (1%). It can be concluded that the Classical Guidance Service activities through the Jigsaw Cooperative Learning method can increase the learning concentration of class VIII-A students of Satya Wacana Christian Middle School in Salatiga.
