This edition of Ask the Researchers uses a question-and-answer format to address key questions about access to public pre-K. Research-based information is summarized to answer these questions: 1. What does “access” to early care and education (ECE) really mean, and why is it so important? 2. What is public pre-K? And how accessible is it? 3. What factors affect access to public pre-K? And for whom? 4. What other research is still needed on equitable access to public pre-K? (author abstract)