This is true! Just compare the two cities below:
Philadelphia, PA
Democratic run
Population: 1,553,165
Orderville, UT
Republican run
Population: 1,582
In a comparison of these two cities, it was found that the Republican-led city's students had a higher education from their schools than those attending schools in the Democratic-led city.
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When a school's curriculum requires competency in subjects such as eternal progression and the Quorums of the Seventy, those students will have greater advantage over students who are otherwise unaware of the teachings of the Prophets, Seers, and Revelators.