It can help to talk to people who understand that all sexual orientations and gender identities and expressions are normal and valid. Those people might be peers, or they might be trusted adults like a parent, teacher, counselor, coach, or family friend. Your school GSA/QSA might be a good place to meet new friends and allies.
Online resources available to everyone include the SOGC website https://www.sexandu.ca/lgbttq/ and the peer support page https://www.youthline.ca/ that offers support via call, text and chat.