Who is the patron saint of teachers?

Saint Boniface

c. 675 - June 5, 754

Germany, per Franciscan Media. He is called its Apostle

Saint Catherine of Alexandria

Died c. 310

Lawyers, librarians, philosophers, students and teachers, per Franciscan Media

Saint Charles Borromeo

October 2, 1538 - November 3, 1584

Neither source assigns a patronage. He is invoked by bishops, catechists and seminarians

Saint Elizabeth Ann Seton

August 28, 1774 - January 4, 1821

Catholic schools, educators and teachers, loss of parents, and widows

Saint Ephrem

c. 306 - June 9, 373

Saint Gregory the Great

c. 540 - March 12, 604

England, epilepsy, musicians, and teachers

Saint Hilary of Poitiers

c. 315 - 368

Neither source assigns a patronage. He is invoked by theologians and by Poitiers

Saint Isidore of Seville

c. 560 - April 4, 636

Franciscan Media lists internet and computer users - but says he has been suggested for it, not appointed

Saint John Baptist de la Salle

April 30, 1651 - April 7, 1719

Schoolteachers, named by Pope Pius XII in 1950

Saint John Fisher

1469 - June 22, 1535

Neither source assigns a patronage. He is invoked with Thomas More by lawyers and bishops

Saint John Henry Newman

February 21, 1801 - August 11, 1890

Proclaimed by Leo XIV "together with Saint Thomas Aquinas, as co-Patron of the Church's educational mission"

Saint Mary MacKillop

January 15, 1842 - August 8, 1909

Saint Peter Canisius

May 8, 1521 - December 21, 1597

Saint Peter Chrysologus

c. 406 - c. 450

Neither source assigns a patronage. He is invoked by preachers

Saint Robert Bellarmine

October 4, 1542 - September 17, 1621

Catechists, in New Advent's editorial note; Franciscan Media adds catechumens

Saint Thomas Aquinas

c. 1225 - March 7, 1274

Students, teachers, philosophers and theologians, and Catholic universities