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.
Patron saint of Christian apprentices, editors, publishers, school children and young people
Catholics pray to Saint John Bosco for his intercession and guidance in dealing with challenges that concern youth, students, and educators, as he is the patron saint of students and apprentices. Many believe that Saint John Bosco can help inspire, protect, and guide individuals in their academic and personal pursuits.
He is the patron of apprentices, boys, editors, Mexican young people, laborers, schoolchildren, students, and young people.
Francesco Bosco was the father of Giovanni (John)) Bosco.
The patron saints of youth do not include Saint Mark: Aloysius Gonzaga Gabriel of the Sorrowful Mother John Berchmans John Bosco Maria Goretti Pedro Calungsod Philomena Raphael the Archangel Stanislaus Kostka Teresa of the Andes Valentine of Rome
The patron saints of laborers are:Albert of Bergamo Eligius Guy of Anderlecht Isidore the Farmer James the Greater John Bosco Joseph Lucy of Syracuse
Saint John Bosco died in Turin, Italy on January 31, 1888.
Saint John Bosco died on January 31, 1888, in Turin, Italy.
John Bosco was 72 years old when he entered Heaven.
January 31 is the feast of Saint John Bosco.
Pius V is the patron of Bosco Marengo, Italy, only.
The feast of St. John Bosco is January 31.