Education queries

1) rahu in 5th house ( exalted possibly)
2) a debilitated mercury in 9th house
3) jupiter in 4th house
4) any exalted planet in 5th house
5) saturn in 5th house aspecting/sitting in own sign
….my case…..
Jupiter in sagittarius in first house

According to your thoughts which planet is best for education and how high can person goes in education including my case