You know you're in a small dojo when...
You're on the second floor and the right side of the room is AVOIDED like plague
because the old pretty window (12 inches off the floor) shows its a long way down!
Its a small dojo when your teacher closes the door tightly to protect the identity/modesty of his lady "friend" from the night before.
You know its a small dojo when the space heater takes up the majority of the room
You know its a small dojo when the weapons are stored in the basement and the dojo is on the top floor
You know its a small dojo when the teachers cat comes through its door and is severely annoyed you are in his sun spot.
Its a small dojo when you can identify
who was there before you by the sweat stains on the mirror, or the footprints left in the flooring-padding-carpet.