Discs
This is basically the one cost for the school – the uniforms can be soccer uniforms, and then you just need cones and a lined field.
Discraft has a discount program for for Youth teams.
Aria Discs donates discs to charities for every order.
Uniforms
Some of the best known companies are linked below- there are many others!
Note that printing can take some time, and to plan for uniforms in the Fall if you want them by March.