Year One is an educational year group in schools in many countries including England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 and New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. It is usually the first year of compulsory education and incorporates students aged between five and six.

Australia

In Australia, Year One is usually the first year of compulsory education. Although there are slight variations between the states, most children in Year One are aged between six and seven.

New Zealand

In New Zealand, Year One is the first year of compulsory education. Children are aged five or six in this year group.
Year One pupils are usually educated in Primary schools or in Area school

Area school

In New Zealand and Australia, an area school is a school that takes children from kindergarten age all the way through to tertiary entrance exams . They tend to be built in small towns where the cost of separate primary and secondary schools cannot be justified....

s.

England

In schools in England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 Year One is the first year after Reception

Reception (school)

Reception or Primary 1 or FS2 is the first year of primary school in the United Kingdom and South Australia. It is preceded by nursery and is followed by Year One in England and Wales or Primary 2 in Northern Ireland and Scotland.Pupils in Reception are usually aged between four and five...

. It is currently the first full year of compulsory education, with children being admitted who are aged 5 by the 31st August (or 1st September) in any given academic year. It is also the first year of Key Stage 1

Key Stage 1

Key Stage 1 is the legal term for the two years of schooling in maintained schools in England and Wales normally known as Year 1 and Year 2, when pupils are aged between 5 and 7. This Key Stage normally covers pupils during infant school, although in some cases this might form part of a first or...

 in which the first sections of the National Curriculum are introduced.

Year One is usually the second year in infant

Infant school

An Infant school is a term used primarily in the United Kingdom for school for children between the ages of four and seven years. It is usually a small school serving a particular locality....

 or primary school.

Wales

In schools in Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

 Year One is the first year after Reception

Reception (school)

Reception or Primary 1 or FS2 is the first year of primary school in the United Kingdom and South Australia. It is preceded by nursery and is followed by Year One in England and Wales or Primary 2 in Northern Ireland and Scotland.Pupils in Reception are usually aged between four and five...

. It is currently the first full year of compulsory education, with children being admitted who are aged 5 on the 1st September in any given academic year. It is currently part of Key Stage 1

Key Stage 1

Key Stage 1 is the legal term for the two years of schooling in maintained schools in England and Wales normally known as Year 1 and Year 2, when pupils are aged between 5 and 7. This Key Stage normally covers pupils during infant school, although in some cases this might form part of a first or...

, although from 2010 will form the third of four years in the Foundation phase.

Northern Ireland and Scotland

In Northern Ireland

Northern Ireland

Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

 and Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

, the first year of compulsory education

Compulsory education

Compulsory education refers to a period of education that is required of all persons.-Antiquity to Medieval Era:Although Plato's The Republic is credited with having popularized the concept of compulsory education in Western intellectual thought, every parent in Judea since Moses's Covenant with...

is called primary one, and pupils generally start at four or five years old.