Possible Clues:

• At home, everyone's against school discipline, to be fair
• Completely fiddle research needing experiments to be fair
• Certainly at home everyone has to study a school subject
• Certainly; by all that's fair
• Poorly absorbing sodium, do chemistry, perhaps? Certainly
• At home, everyone�s against discipline at school, to be fair
• A. Lincoln organised school discipline to be fair
• To be perfectly fair and honest, Niall struggled with biology?
• Certainly (colloq.)