What influences Class VIII marks?

Impact of “Siblings”

Total % 180,774

+2.4%
Single child 1 sibling 2 siblings 3 siblings 4+ siblings

“Siblings” can improve Total % by +2.4%. “1 sibling” is best — students score 39.5%. “4+ siblings” is worst — students score 37.0%.

Sadly, 4+ siblings is most common.

Maths % 92,681

+1.5%
Single child 1 sibling 2 siblings 3 siblings 4+ siblings

“Siblings” can improve Maths % by +1.5%. “4+ siblings” is best — students score 32.9%. “1 sibling” is worst — students score 31.4%.

Luckily, 4+ siblings is most common.

Reading % 93,271

+8.3%
Single child 1 sibling 2 siblings 3 siblings 4+ siblings

“Siblings” can improve Reading % by +8.3%. “1 sibling” is best — students score 50.7%. “4+ siblings” is worst — students score 42.4%.

Sadly, 4+ siblings is most common.

Science % 90,992

+2.2%
Single child 1 sibling 2 siblings 3 siblings 4+ siblings

“Siblings” can improve Science % by +2.2%. “1 sibling” is best — students score 37.7%. “4+ siblings” is worst — students score 35.5%.

Sadly, 4+ siblings is most common.

Social % 89,571

+0.8%
Single child 1 sibling 2 siblings 3 siblings 4+ siblings

“Siblings” can improve Social % by +0.8%. “1 sibling” is best — students score 38.8%. “Single child” is worst — students score 38.0%.

But, 4+ siblings is most common.