A helpful article on the benefits of Latin from Annie Holmquist at the Imaginative Conservative:
So why did something as odd as Latin help adult prisoners make such rapid progress in such a few short weeks? Cheryl Lowe, the author of several Latin courses and the founder of Memoria Press sheds some light on that question:
Students who study Latin develop an interest in words. They learn something they had never thought of before. Words don’t just drop out of the sky—they come from some place; words have a history, sometimes a very long and interesting history. Many words are world travelers, traveling from Greece to Rome to France to England. Words are fascinating.
So, Latin is the next step after phonics because it continues the study of the Latin half of English vocabulary in a systematic, orderly way. Skip the vocabulary courses. Learn Latin.
In other words, Latin provides students—both young and old—with the key to unlock numerous subjects and mysteries they encounter in academics. Once a student knows and understands the foundation, building upon it is a breeze.
Read the rest here.