Ok, but there always people who have to go back to the center to try to win the general in any race like that. That's not a schism.
On the other hand, the GOP is basically in tatters at this point. Consider:
1) One of the companies for the largest GOP contributor (Addelson) is involved in bribing Chinese officials; 2) one of the presumptive GOP frontrunners for 2016 is named Bush (ugh, can you imagine another one?); 3) another frontrunner, Rubio, had a disastrous national debut in his response to the SOU; 4) another candidate, Rand Paul, is being called a wacko by the party leadership; 5) the Republican-led House has the lowest approval rating of all time; 6) the NRA won't let the GOP vote for something 92 % of the country supports; 7) ....