This study aims to describe the assessment of student learning outcomes based on the implementation of the 2013 curriculum. This research was conducted in Tangerang City, Tangerang Regency, Banten Province in the 2020-2021 school year. The teachers involved in this study were the Asysyakirin Islamic Elementary School teachers. The data needed for this study were collected by interview. The results of this study indicate that the description of the assessment of student learning outcomes is seen from several aspects of assessment, namely: the domain of the assessment, the actor of the assessment, the type of assessment tool, the form of the test, the form of the non-test, the form of the learning outcome report, the assessment scale, the time of the assessment, and the learning result collection technique. . In assessing learning outcomes, teachers experience several problems related to the number of assessment elements, the complexity of the assessment, making assessment instruments, implementing the assessment, and reporting the results of the assessment. Based on these findings, it is suggested that the assessment of student learning outcomes be simplified and still meet the principles of assessment, such as being comprehensive, objective, and transparent.