Eight people is a reasonable number of players for an escape room. Everyone will find something to do: strategizing, taking charge, searching for clues, solving puzzles, cheering the team on, counting down the minutes, or chatting up the game master.
Book one of the rooms in Herrin and find out what your contribution will be!

You're in class and you find yourselves daydreaming - dreaming of pirates and their treasure. You and your group are actually on their ship and must find their CURSED treasure. Return it to its right place to break the curse!
What happened in the science lab? Did the teacher blow it up? Did he get blown up? The Police couldn't even figure this out. They decided to just seal it up, and the case went cold.
Shop class has a big test coming up. Of course, you didn't study for it! Everyone knows the teacher keeps a copy of the answers in his desk.