Creation science is taught there as the only valid belief system concerning the history of the world, its life forms and the rest of the universe.
Evolution is rejected.
Among Roman Catholic parochial schools, there is also little discord. Evolution has been taught there for decades. It is in the U.S. public schools that the battle between evolution and creation science rages. However, this did not translate into evolution being taught widely in the public schools. It took the Russian satellite Sputnik in the late 1950's to convince the country that the U.S. was falling behind in science.