Here in Norway we had this publicly funded mushroom control staff located strategically near the forest to allow people to get their mushroom-forage checked by an expert. They would literally go through all the mushrooms in your basket and throw out any mushrooms they couldn't positively identify as edible. Unfortunately the money "ran" out. I guess we'll take the hit as an increased spending on public healthcare instead.
http://www.newsinenglish.no/2015/08/10/money-ran-out-for-mus...
edit: here's a better link with pictures, but in norwegian: http://www.nrk.no/norge/savner-stotte-til-soppkontroll-1.119...
Here in France, part of the mandatory curriculum to be a pharmacist (druggist) is to learn about mushrooms. Therefore they have a duty to identify -for no charge- the mushrooms you bring them. You do not have to be a customer. And I really mean every pharmacy. They all have a huge mushroom encyclopaedia to make sure in case of doubt.
I used to bring psilocybes to my local pharmacy when I started to search for them and was not quite sure yet what they exactly look like. I got bad looks but was never sent away without safe information.
Perhaps training those who are already stationed (forest/park rangers, etc.) would be a more efficient path. I think the point of accessible trained staff as opposed to a mushroom club is to target those who would otherwise not take the effort to investigate what they gathered, and end up consuming harmful species.
I used to bring psilocybes to my local pharmacy when I started to search for them and was not quite sure yet what they exactly look like. I got bad looks but was never sent away without safe information.