A big deadline is coming up in California's co-ed bathroom battle. Currently, California transgender students can use any bathroom or lockeroom in the public school system.

Opponents need half a million signatures to change that law. Those signatures would put a measure on the November ballot which would require people to only use public facilities in government buildings that match their biological sex.

"I've got children and grandchildren and we've got to make it right for them," Jack Hibbs, pastor of Calvary Chapel Chino Hills, said.

Hibbs is leading the way, along with churchgoers across the state, but it's an uphill fight. They need those valid signatures in the hands of the secretary of state by Monday, Dec. 21.

Hibbs believes the Church needs to stand up.

"The Church has got to mobilize, the Church has got to get smart on how to confront the culture, how to address it lawfully with the right kind of heart, truth in love," he said.

"By all means we need to really make a difference by addressing the issues that are really ramrodded down upon our family and our faith and our values as Americans, as believers in this country," he added.

The group, Privacy For All, tried to get the ballot measure last year but came up short. Now they hope the recent defeat of Houston's pro-transgender bathroom ordinance will help their effort.

Click here to join the petition drive to defeat California's bathroom bill.

Hibbs says the time to be silent is over.

"The Church has been absent on these issues. The Church has been quiet. I don't know if we want to be discovered to be polite or what, but we're losing the culture because we've been silent," he said.