This study aimed to obtain information on the effect of Indonesian language learning outside of the classroom acquisition of learners in grade V Elementary School 09 East Pontianak. The method used is a form of quasi-experimental method with exsperimental design. Based on statistical calculations of the average the pre-test 48,01 and post-test 76.82 obtained t of 8.06 and t table (α = 5% is 2.052 with df = 27) this means t count > t table (8.06> 2.052) then Ha is accepted. This means learning the Indonesian language outside of the classroom provide a considerable influence on the high-class learning outcomes SDN 09 East Pontianak