Answer:
ok first same im bi and im going to be a freshman in highschool next year
Explanation:
ok anyway tell your parents that one of your friends and abart of the lgbtq+ or ask them a question on how feel about the LGBTQ+ comunity or ask them a "if i was" question or tell them that your pansexual then if they don't aprove just say it was a prank.
thats all of my ideas well good luck on coming out
and have a great day