As organizations working to advance women’s equality and civil rights, we are writing to request that the Office for Civil Rights (OCR) promptly issue guidance to universities and colleges reminding them of their legal obligations under Title IX of the Education Amendments of 1972 and Title VI of the Civil Rights Act of 1964 to protect students from harassment and threats based on sex, race, color, or national origin carried out via Yik Yak and other anonymous social media applications.