Year Eight is an educational year group in schools in many countries including England, Wales, Australia and New Zealand. It is usually the eighth year of compulsory education and incorporates students aged between twelve and thirteen. It is known as eighth grade in the United States and Canada.
In Australia, Year Eight is usually the ninth year of compulsory education. Although there are slight variations between the states, most children in Year Eight are aged from twelve to fourteen.
New Zealand 
In New Zealand, Year Eight is the eighth year of compulsory education, and the last of primary education. Children are generally aged twelve to thirteen in this year group. Year Eight pupils are educated in full primary schools or intermediate schools, and in some areas area schools or combined intermediate and secondary schools.
United Kingdom 
In schools in England Year Eight is the eighth year after Reception. It is the eighth full year of compulsory education, with children being admitted who are aged 12 by the 1st September in any given academic year. It is also the second year of Key Stage 3 in which the Secondary National Curriculum is taught.
Year Eight is usually the second year of Secondary school (commonly referred to by students as high school after most middle schools were abolished). In some areas of England, Year Eight is the last year group in Middle school or the first year of Secondary School.
In schools in Wales Year Eight is the eighth year after Reception. It is currently the eighth full year of compulsory education, with children being admitted who are aged 12 on the 1st September in any given academic year. It is the second year group in Key Stage 3.
Northern Ireland 
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- "What will your child learn?". Welsh Assembly Government. Retrieved 2009-01-10.
- "The Education (Northern Ireland) Order 2006". The Stationery Office. 2006. Retrieved 2009-01-11.