welcoming of newcomers (students, etc.)

a student (usually of a university, sometimes of a high school)

preparations

prepare

happy, pleased, glad / joy, delight

joy, delight, pleasure

(literary) joy, delight, pleasure

a novelty / Short for 新暦 (shinreki): the Gregorian calendar / Short for 新株 (shinkabu) / Short for 新銀 (shingin) / Short for 新造 (shinzō)

as hard as one can; to the best of one's ability

new / change, reform