I will be keeping my 14yo daughter home as I have in previous years. Last year, when I called her school to ask about “Day of Silence” activities, I was given some obscure answers about how the school was not sponsoring any activities and had no authority over anything being put together by students...basically not denying activities might take place, but emphasizing “it’s not our fault”.
Send your child to school with a ‘Straight Pride’ shirt and see what their reaction is.