how old are you in first grade usa
First grade First grade (called Year 2 in the UK) is the first grade in elementary school. It is the first school year after kindergarten in Canada and the USA. Children are usually 6â€“7 years old in this grade level.
Twelfth grade The twelfth grade is the twelfth school year after kindergarten. It is also the last year of compulsory secondary education, or "high school". Students often enter the grade as 17- and 18-year-olds and graduate as mostly 17 or 18-year-olds. Twelfth graders are referred to as Seniors.[citation needed]