Age: 21 May/August After death of parents, DLS returns to school, this time in Reims. He begins with a couple of courses, obtains credit for those he took at St. Sulpice, and gradually resumes his seminary studies.
Age: 24 March 21, 1676 De La Salle is ordained as a deacon in the chapel of the Archbishop of Reims by the bishop of Bethlehem, François de Batailler, who was delegated to do so by the archbishop of Paris.
Age: 26 January 26, 1678 Obtains his Licentiate in Theology from the University of Reims, along with four others. The poster announcing the event was discovered in 1908.
Age: 26 April 9, 1678 De La Salle is ordained to the priesthood in the chapel of the Archbishop of Rheims by the archbishop, Monsignor Charles Maurice le Tellier, who officiates and presents the documents of ordination.
Age: 26 April 10, 1678 De La Salle celebrates his first Mass in the Lady Chapel of the cathedral (Notre Dame du Saint Lait). Nicolas Roland (who died 17 days later) and his family are among those present. Since 1951, the statue of DLS by Lejeune stands next to this chapel.
Age: 26 April 27, 1678 Nicolas Roland dies, leaves DLS in charge of obtaining 'Letters Patent' for the Sisters of the Child Jesus, among other things.
Age: 27 November 9, 1678 De La Salle is chosen as an elector at the University of Reims, becoming a member of its governing structure.
Age: 27 February 1679 Secures Letters Patent for the Sisters of the Child Jesus.
Age: 27 March 15, 1679 Through chance encounter via Mme Maillefer at the Convent of the Sisters of the Child Jesus, he becomes involved with teachers and schools.
Age: 27 April 15, 1679 The first school is started in this parish with the help of De La Salle. The school is run, and its teachers are superviseda by Adrien Nyel.