This research aims at 1) Identifying the level of student's spiritual intelligence, 2) Identifying student's learning achievement and 3) Identifying correlation between student's spiritual intelligence and student's learning achievement. Method used in the research was mixed method approach conducted at SMA Negeri 1 Godean. Duration of the research was during April - June 2018 which involved 36 students of class X. The data sampling technique was done through questionnaire, interview and observation. Whilst data analysis was done using data reduction, display and data verification or conclusion. The results of the research are 1) The level of student's spiritual included: always doing five-times prayer, doing the prayer together with others (jamaah prayer), reciting Qur'an and praying on regular basis, associating with same-gender peers in accordance to ethies and norms as well as having a high tolerance on people with different religions. 2) Student's learning achievement result included: always listening to the courses attentively, reprimanding peers who make noise during class, asking teacher for unclear explanation, always prioritizing doing homework and participating in various competitions. 3) the effort og student's spiritual intelligence toward student's learning achievement is reflected on student's effort to achieve good score, student's persistence to keep studying when have not yet received satisfying score, student's trust in God (Tawakkal) related to the score they received and student's grateful related to the score they received. Based on the analysis, it is indicated that spiritual intelligence fives possitive influence toward student's learning achievement at SMA Negeri 1 Godean. Keywords: Spiritual inttelegence, student's learning achievement