Can I study ten gcse subjects within six months(or a year)?

All subjects? Impossible in my opinion. Things like math require quite a good amount of practice. English language and literature are going to have poems, novels you need to analyse and know well. Science you have all the theory and past papers to do. I think, do some, like 4 or 5, the easiest ones, and those that require the least amount of time one year, and leave the rest (while revising for them in the first year) to the second year.

It depends how much you know at the start of these 6 months.

Also, why 10 GCSEs? Nowhere ever expects you to have more than 8 and few people have more than 10 these day - these days quality is much preferred over quantity.

When is this 6 month period ? GCSEs can normally only be taken in May/June so you have about a year before your next chance.

How are you studying these GCSEs? Some of them are very hard to achieve if you're a private candidate because of the NEA

Hi i know most people got around 10 gcses or more but it is possible to revise 10 gcse subjects in the space of 6 months to a year or is it only possible to spread it out over two years?
want to revise subjects in:
english language
english literature
mathematics
combined science trilogy
history
religous studies
computer science
pyschology
sociology
optional :
seperate sciences if passed combined science trilogy
french
spanish

the gcse exams is in november this year and got the option to sit again next summer,
so is it better to practise for the exams rather than learn all the content as im a private candidate/ self studying?

what do you mean by practicing for the exams rather than learning all the content.
have u covered all of the content before?

not really just wondering which is quicker

well maybe since u do have 6 months briefly cover all of the content (not in too much detail) and then do exam practice. by exam practice I mean going through all the past papers as many of exams u can find and going through them. This way u can discover any weaknesses and go through only those topics in detail

the gcse exams is in november this year and got the option to sit again next summer,
so is it better to practise for the exams rather than learn all the content as im a private candidate/ self studying?

the gcse exams is in november this year and got the option to sit again next summer,

Last year you could only take exams in the Autumn if you had been entered in the Summer and wanted to re-sit or there was a reason why they hadn't been able to give you a grade. I am fairly sure it is the same this year so your first chance to take anything will be Summer 2022 (unless you are over 16 in which case you could take Maths and/or English Language in November).