Recent special education trends suggest that students with autism spectrum disorders are underrepresented in our schools’ special education programs. The increased awareness and prevalence of autism, together with the clear benefits of early intervention and special education, have created an urgent need for school-based professionals to identify children who may have an autism spectrum disorder. Screening is an important first step for securing the appropriate educational services. The aim of this article is to provide school professionals with a review of five screening instruments that hold promise for identifying school-age children in need of a more in-depth diagnostic assessment.