I looked again and in fact there are no teams that USA played that played up in U13 either in the fall or the spring. There are 4 '95 age girl teams playing in the U13 age group

CUFC 95 Elite and MPSC 95 both playing U13 classic
CESA 95 P and LCSC 95 White both playing U13 challenge

CUFC is #1 out of 7
MPSC is #5 out of 7
CESA is #5 out of 11
LCSC is #6 out of 11

I believe that SCYSA would not allow this to occur. I think there is a requirement that you must play in the state cup for the age group you registered. It also means that none of the players in these teams would beavailable to the academy as they have to be registered as U13 and therefore no longer pool eligible.