Complex sentence: She decides to enroll him in "the School of Life," a very non-traditional school, but when Vera inadvertently leads the trustee, Mr. Babcock, to Patrick's school, Patrick is taken from Mame's custody.
Split into simpler sentences: She decides to enroll him in "the School of Life," a very non-traditional school. But when Vera inadvertently leads the trustee, Babcock, to the school, Patrick is taken from Mame's custody.