First day at school is known as Holly water Day
The mayor of the city wished
pupils teachers and parents
a fruitful school year
The preast used a branch of Basil to sprinkle the water from aspersorium (is the vessel which holds the holy water and into which the aspergillum is dipped) in Pupils Parents and Teachers.
In Anglican, Eastern Orthodox, Eastern Catholic, Roman Catholic, Old Catholic, Oriental Orthodoxy and some other churches, holy water is water which has been sanctified by a priest or bishop for the purpose of baptism or for the blessing of persons, places, or things. (more..in wikipedia)