Yeah, SCH is pretty well balanced in CC. It can't really do a lot on its own, but with any allies nearby it can shine thanks to its heavy support. This of course means you're heavily dependent on your group, but this is true of any support in any PvP mode in any game. IMO there's no point balancing around Frontlines with the kits, since they weren't made with that in mind. However, adding modifiers like 5 targets only I can see working, since that limits the damage that can be done without effecting CC.