$2K grants for before, after or in school running programs open to all students in grades 4-8. Not for the support of existing athletic teams - intended to get all kids running
I think Amy Gondeiro may have submitted or be planning to submit to this for either the ES atrium or a new playground - you might want to talk to her and see if she did. Or see if 4-H wants to work on either of those things!
Apply for the National Trails Fund grant for trail-related non-profit organizations. Awards of $500-5000. Probably need to work in partnership with a local organization but there could be a project here!
Finding funding for your technology wish list can be easier than you think. A wide variety of organizations have programs to assist you in obtaining the technology you need.