I read through the workout and here are some thoughts.

For the warm up, maybe dynamic stretches such as kickers, butt kicks deep lunges w. rotations ect.

For the first circuit, you have all power and explosive except for the F/B lunge, perhaps sub out for something else, maybe box jumps?

Second Circuit, I am not sure what you were aiming for. Maybe you should do an upper body circuit, similar to the first circuit which was all lower.

Third Circuit, I really like the row to kick back idea, but think about what you row vs what you can kick back. Huge difference right? Maybe tweak the idea a little. I love the use of the ladder in there. Maybe use this time for agility and core?

That's my take and how I normally structure a workout. Oh and one more thing, have the people partner up and work together. There are a ton of exercises that people can do w. groups of 2s and 3s. I'll let that thought sit for a while and see what you can come up with. Here is one to get you started:

Lunges w. rotation TOSS! They can both do it and take turns.