To give you an idea about the curriculum, these are examples of some of the topics my twins (Y9) have studied this year in their core subjects:
English language: creative writing, persuasive writing.
English literature: literary analysis of Animal Farm, Of Mice and Men, The Merchant of Venice.
Maths: ratio & proportion, probability, data handling, algebra (simultaneous equations), geometry, basic trigonometry.
Physics: energy (formulae for calculating kinetic energy etc), velocity and acceleration, specific hear capacity & specific latent heat.
Chemistry: atomic structure, types of bonding, groups in the periodic table, balanced chemical equations, neutralisation reactions, exothermic & endothermic reactions.
Biology: cell structure, organisation in plants and animals, enzymes, types of transport in and out of cells, digestive system, heart & circulatory system, communicable and non-communicable diseases.