Year Ten is an educational year group in schools in many countries including Australia, England, India, Northern Ireland, New Zealand and Wales. It is usually the tenth year of compulsory education and incorporates students aged between fourteen and sixteen. It is referred to as tenth grade in the US and Canada, also known as "sophmore year".
In schools in Bangladesh Year Ten or Class Ten (X) is the tenth year after Kindergarten. It is the tenth full year of compulsory education, with children being admitted who are aged 15 by the 1st August in any given academic year. Year Ten is usually the fourth year of Secondary school. During this year or by the end of Year Ten, all qualyfying students complete Secondary school.
In Australia, Year Ten is usually the tenth year of compulsory education. Although there are slight variations between the states, most children in Year Ten are aged between fourteen and sixteen. Year Ten is the final year of compulsory education in Australia. Students may elect to opt-out of the education program at this point. This leaves the student without a VCE certificate, and most choose to attend TAFE or enter an apprenticeship.  Until recently, students that completed Year 10 in New South Wales would obtain their School Certificate.
New Zealand 
In New Zealand, Year Ten is the tenth full year of compulsory education. Children are usually aged fourteen or fifteen in this year group  but there is no minimum age. Year Ten pupils are educated in Secondary schools or in Area schools.
United Kingdom 
In schools in England Year Ten is the tenth year after Reception. It is the tenth full year of compulsory education, with children being admitted who are aged 14 by the 1st September in any given academic year. It is also the first year of Key Stage 4 in which the secondary National Curriculum is taught and most GCSE courses are begun.
In schools in Wales Year Ten is the tenth year after Reception. It is currently the tenth full year of compulsory education, with children being admitted who are aged 14 on the 1st September in any given academic year. It is the first year group in Key Stage 4.
Northern Ireland 
In India, Year Ten (known as Class 10 or Standard 10) is usually the tenth year of compulsory education. It is the 3rd year in High School with Standard 9th and 8th being the other two. It is also known as Matriculation and makes the students eligible for attending Pre-University Certificate course (or popularly called PUC or class 12th) which in turn will make them eligible to attend college.
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- "The Education (Northern Ireland) Order 2006". The Stationery Office. 2006. Retrieved 2009-01-11.