The federally funded Regional Educational Laboratory (REL) Program's Ask A REL service provides free references, referrals, and brief responses in the form of citations in response to questions about available education research on a specific topic. This Ask a REL response from REL Appalachia provides research citations and resources related to the question, "What does research show about online career and technical education (CTE) programs and their outcomes, including those offered by K–12 systems and those offered by community colleges?"