Fourth year, also known as S4, is the fourth year of schooling in Scottish, Venezuelan, Ecuadorian, Colombian, and other Latin American countries secondary schools, and is roughly equivalent to Year 11 in England and Wales and Year 12 (Fifth Form) in Northern Ireland. In Latin American countries, it is equal to the United States high school's senior year

Senior Year

Senior Year can refer to:* Senior ; the final year in high school or college* Senior Year , the 2010 film by Filipino director Jerrold Tarog* The Lockheed U-2...

, but the Scottish S4 is equivalent to 10th grade. Most pupils are 15 or 16 years old at the end of S4. It is at the end of this year the pupils complete their Standard Grade

Standard Grade

Standard Grades are Scotland's educational qualifications for students aged around 14 to 16 years, which are due to be fully replaced in 2014 when Scottish Qualifications Authority's Higher Still system becomes the main qualifications as part of the major shake up of Scotland's education system as...

 or Intermediates examinations. It is also usually the last year of compulsory education in Scotland, depending on what time of the year the pupil was born. Near the end of fourth year pupils pick the subjects they want to take for highers (or A levels as they call it in England). They can also leave school if they are 16.

The term can also refer to the fourth year of a university

University

A university is an institution of higher education and research, which grants academic degrees in a variety of subjects. A university is an organisation that provides both undergraduate education and postgraduate education...

course.