So you have a space that is approximately 80 square meters big and are planning to teach small classes, where you can pay attention to each of your athletes.
Take a look at this gym set for 8 people that contains (in our opinion) all the essentials needed for your training.
You can choose between a wall or a freestanding rig and add additional equipment as needed: cardio machines, rubber flooring, and storage systems.

Included in the set:
6x men's hybrid barbell
2x women's hybrid barbell
2x beginners barbell
8x safety collars
440kg of bumper plates
2x set of microplates
2x Hex Dumbbell 5kg
2x Hex Dumbbell 7kg
2x Hex Dumbbell 10kg
2x Hex Dumbbell 12,5kg
2x Hex Dumbbell 15kg
2x Hex Dumbbell 17.5kg
2x Hex Dumbbell 20kg
2x Hex Dumbbell 22.5kg
2x Hex Dumbbell 25kg
2x Hex Dumbbell 27.5kg
2x Hex Dumbbell 30kg
2x Kettlebell 8kg
2x Kettlebell 12kg
2x Kettlebell 16kg
2x Kettlebell 20kg
2x Kettlebell 24kg
2x Kettlebell 28kg
2x Kettlebell 32kg
6x Plyo Box
1x Wall Ball 4kg
4x Wall Ball 6kg
4x Wall Ball 9kg
8x Jumping rope
1x Adjustable bench
1x KingsBox Royal Sled 2.0
2x Elastic band 45mm
2x Elastic band 29mm
2x Elastic band 21mm
2x Elastic band 13mm
2x Elastic band 6.4mm
1x Low Parallettes
4x Wooden Gymnastic Rings
1x Climbing rope 4,5m
9x Ceiling hanger