Solution

195457

First name
Emma
School
Holywell C of E Primary School
Country
Age
11

On the last column there is always pink and yellow

There's 1 missing which represents (0 - crossed out) 1 because it's not a prime number.

(The fractions) only go up to 6th.

Yellow is a multiple of 5
Green 3
Orange 11
Pink 2

Solid circle = prime numbers
Halved circle = square numbers
Circle in thirds = cube numbers
Circle in quarters = x4
Circle in sixths = x 6

There is 1 primer number in most columns except the last column
At least 1 prime number in each row

33,34,35 are all in half but are different colours