Each state has its own CoP. They can be found in the publication by the state hs gymnastics association.
In illinois, routines are 8 skills minimum.
Skills are valued instead of lettered. Medium=A, superior=B, high superior, and bonus high superior (basically a D).
Routines are expected to have 1 high superior, 3 superiors, and 4 mediums.
Bars - kip, direction change (or virtually any release), handstand (fulfilled with giant), and I think a salto dismount.
Beam - dance/acro/dance series (or vice versa), acro in combination?... I forget the rest of beam.
Floor - tumbling pass forward/backward with 3 elements (HS Front fulfills, however), and a dance/acro/dance series, and for some reason I recall a full turn or something like that.
Vault - land on your feet please. Twisting + salto vaults are now legal (all 10.0 obviously)
I haven't read the hs CoP in a while, though... But that should give you a basic understanding.