The Education (Information as to Provision of Education) (England) Regulations 1994

6.  For the purposes of paragraph 3 above, the “age factor” is the number specified in the second column of the table below, opposite the reference in the first column of the table to the age range which most closely reflects the age range of the school excluding its sixth form pupils.

Age RangeAge Factor
9—130.80
11—130.78
11—150.75
12—150.74
13—150.72
14—150.70