Yes, secularists want to impose "secular humanism" on Christian colleges too, and I imagine that eventually they will -- with the support of both major parties.
The MSM Liberal secular en-laced denominations, of course, are not doing that but their membership is declining (since 1965) at such a rate that a former Presbyterian minister friend, who has joined PCA, told me that at that in not so many years off, there will no longer exist a PCUSA.