There are dozens and dozens of saints named John so you need to be specific.There is more than one St. John.Look in the related link below for more information about your question.
The Patron Saint Index shows no patronages but many feel he should be a patron saint of Catholic Schools as he founded over 50 of them while bishop of Philadelphia. He was a great promoter of Catholic education.
During hs years as the bishop of Philadelphia John Neuman founded over 50 Catholic schools in his diocese.
Saint John Nepomucene Neumann was born on March 28, 1811.
Saint John Nepomucene Neumann was born on March 28, 1811.
St. John Neumann was a Catholic bishop.
Saint John Nepomucene Neumann died on January 5, 1860 at the age of 48.
Saint John Neumann High School - Pennsylvania - ended in 2004.
Saint John Neumann High School - Pennsylvania - was created in 1934.
January 5 is the feast of St. John Neumann.
Saint John Nepomucene Neumann died on January 5, 1860 at the age of 48.
There is no patron saint of sunburns but John the Apostle is the patron saint of burned people.