Love your kids' names! I always seem to find friends when my daughters start hanging around certain friends, and after they become friends at school for a while, I ask my daughters if they want to have a playdate with that person, they always say yes, so I set it up with the mom. Some moms come and stay the first playdate to make sure everything goes well, which I totally understand, and I have made many mom friends through my kids playdates! It might take a couple of years, but I think eventually you will make some mom friends! Just keep at it, and invite kids over for your son. Another thing I just thought of, every year there are new kids, so make an extra effort to be friendly with the new moms, and they will appreciate that. I have done that too, and have a couple of very dear friends, and they have told me I was their first friend at the new school!