Many developers host clones of the game on GitHub. Since GitHub is a coding platform used for education, schools rarely block the entire domain.
Look for sites like "Unblocked Games 66," "Unblocked Games 77," or "Tyrone’s Unblocked Games." Tips for Playing at School Doge Miner 2 Unblocked At School
Web-based proxies can sometimes mask your traffic, though these are more likely to be flagged by school IT departments. Many developers host clones of the game on GitHub