Democrat Mary Landrieu and Republican David Vitter were among the 72 senators voting Thursday to send the bill to the president; 22 senators voted against it.
The financing plan would pay for the operations of 69 public school districts for the 2014-15 school year.
The Louisiana chapter of Americans for Prosperity sent the pledge request to all 144 lawmakers in February.
Kids under 18 will have to pursue skin cancer the old-fashioned way.
The state argues that if they identify how they're getting the drugs, they could have trouble buying more because companies don't want to be known as helping in an execution.