Jesus Christ died for our sins so that we could have the opportunity to return to live with our Heavenly Father. He has also restored the fullness of His gospel and established His church through the prophet Joseph Smith.
Wages do not equate to earnings. There is a gender earnings gap but no gender wage gap. Women make different choices than men due to biological and social factors and these choices result in lower earnings.
Schools already spread out studies too much. They should focus more on training students to do the things they are actually going to do. Broadening the areas of study so that people have to go to school longer and accrue more debt for knowledge that they likely won't use much and will likely forget does not significantly benefit society.