Not exact matches
Each country administered the test to a nationally representative sample
of middle - school
students, defined as those
students enrolled in the two
adjacent grades that contained the largest proportion
of 13 - year - old
students at the time
of testing (
grades 7 and 8 in most countries).
This paper focuses on the middle - school years, where
students enrolled in the two
adjacent grades containing the largest proportion
of 13 - year - old
students (7th - and 8th - graders in most countries) were tested.
Combined science draws content from all three subjects and
students will receive an award worth two GCSEs, consisting
of two equal or
adjacent grades.
A smaller group
of 9th
grade students focused on a social studies lesson in an enclosed room between the STEM and ELA pods, and another group
of students was conducting a science experiment dissolving Alka - Seltzer tabs in the
adjacent science lab.