This is a breakdown of how many schools in each conference have gymnastics programs. The first number listed is the number of schools with programs, the second is the total number of schools in the conference. There are also some notations if there is something that needs explanation.

Conferences That Sponsor Gymnastics (In some way shape or form.)
BIG 12 4/12
BIG Ten 7/11
ECAC
D-1 7*/89 (4 in Ivies, Temple in 2, WM CAA, Towson is CAA) (GW, MD, UNH, PSU, PITT, RU, WVU are also part of ECAC in some fashion.)
D-2 3*/41
D-3 8*/191
IVY League 4 of 8
MAC 8*/13 (Temple remains in the ECAC)
MPSF 4* (UC-Davis, SPU, Alaska-Anchorage AND Air Forceare in the Champinships.) but…Air Force, Alaska, Arizona, Arizona State, BYU, CAL, UC-Davis, UCLA, Denver, Nebraska, Oklahoma, Sacramento State, San Jose State, SPU, Stanford, Washington are all part of the MPSF out of 31 teams.
PAC-10 7/10
SEC 7/12
WAC 3/9
WIAC 5/9 (but Gustavus Adolphus, Hamline, and Winona State join in)

Conferences That Don’t Sponsor Gymnastics

NORTHEAST-10 1/16 (SCSU is in the ECAC)

East Coast Conference 1/10 (UB is in the ECAC)

Pennsylvania State Athletics Conference 1/16 (WCU is in ECAC)

Empire 8 1/9 (Ithaca is in ECAC)

SUNYAC 2/10 (Brockport and Cortland are in ECAC)

NEAC 1/9 (Wilson is in the ECAC)

NEWMAC 2/10 (MIT & Springfield in ECAC)

Centennial 1/11 (URSINUS in ECAC)

America East 1/9 (UNH is in the EAGL)

ACC 3/12 (All are in the EAGL)

Atlantic Sun 0

Atlantic 10 2/14 (Both are in the ECAC)
Big East 3/16 (All are in the EAGL)
Big Sky 1/9 (Sac State)
Big South 0
Big West 2/8 (CSUF and UCD)

CAA 1/12 (Towson is in the ECAC)

C-USA 0

Horizon 1/10 (UIC)

Great West 2/10 (SUU is there and UC-Davis is moving over…)

MAAC 0

MEAC 0

Missouri Valley 1/10 (Illinois state)

Mountain West 3/8 (AF, BYU, UTAH)

Northeast Conference 0

Ohio Valley 1/11 (SEMO)

Patriot 0

Southern 0

Southland 0

SWAC 0

Sun Belt 1/13 (Denver)

Summit League 2/10 (Cententary and SUU?)

West Coast 0