Don't worry, my son also can fully walk at 17 months...different kids have different progress :) Try Zenith, Fun Fun la...quite easy to get in gar...Hope it can help!
don't know what to say.... just don't give too much pressure to your kid and yourself... take it easy and try to spend more time with him and encourage him more.... be positive... i am sure there will be school available for him... ALL THE BEST!!