I agree league tag is a great way to get kids involved. I was the president of my zone PSSA, rugby league and league tag convenor for many years.
We started off with 4 boys teams in the competition (juniors and seniors). 4 years later we had 8 boys teams and 10 girls teams. This was in a zone of 11 schools.
We had good support from the nrl but mainly because I drove it. We would have development officers down each week refing games, handing out free passes and sometimes parra gear with some reserve grade players. By having the development officers there, it also meant they would talk to teachers who were interested and many of the schools had the backyard league program because of it.
But in the end it comes down to teachers putting in the extra work. I love footy, I love sport and I love providing opportunities for students. But in a lot of areas the old women hate PSSA and do nothing but whinge about it. As a parent, you basically need to complain until someone puts their hand up to run it at school.
Backyard league is really good, if it doesn't happen at your kids school complain enough until it does.
Development officers have picked up their game but still aren't at AFL level. The afl development officers have no idea about afl, they are basically people who want to work with kids. NRL still suffers from thinking they need footy players there (who rock up in sunnies, can't talk to kids and think they are heaps cool) but are improving.
My school got new jersys, 1/3 paid for by NRL, 1/3 paid for by local nrl club, 1/3 paid for by school. Apparently this is the case everywhere.
I've got some decent stuff out of it too, "NRL teacher ambassador" polo's, GF tickets, codes for regular season tickets and they put on a teacher appreciation round with free food and drinks and seats in corporate areas.
They are trying hard, but I still think they need an ex teacher in the office so they can better understand how to get into schools.