Childhood homelessness is increasing and is associated with negative health and academic outcomes. The goal of this quality improvement project was to improve access to healthcare and health outcomes for students experiencing homelessness through a school nurse-led comprehensive health assessment. The multilevel intervention included identifying students experiencing homelessness, conducting a standardized health assessment, and making referrals to care. This 8-month project was conducted in an urban school district. Feasibility and acceptability data were collected to guide sustainability. Student health and referral data were analyzed using descriptive statistics. At the project start, 688 students were identified as experiencing homelessness. More than half (67%) had a partial or fully completed health assessment during the project. Of the students assessed, most had a primary care provider, some had a health condition, and half had a dental home. Students experiencing homelessness would benefit from systematic school-based health assessments to identify unmet health needs.