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Hi I am interested in studying accounting and bookkeeping, but the only problem is I didn’t do my GCSEs because I went to a special school because I have a learning disability. Are there any courses I can do to build myself up academically? so I can achieve this goal and prove everybody wrong, who has doubted me most of my life.

I like how this question is in the fashion and beauty section.

You can become an accountant or bookeeper through 2 main ways. Utlimately though, you would need the right professional qualification for the specifc role that you want to get into.

The first route is academically where you go through GCSEs, A Levels, Degree, and then do the professional qualification.
The second route is via professional qualfiactions, where you break off into the appropriate accounting qualification either after GCSEs, A Levels, or your degree.

If you want to do your GCSEs, the 2 main ones are English Language and Maths for your literacy and numeracy skills. Any other GCSEs mean very little to employers, university, or professional qualifications (although you might need 5 GCSEs at grades 5-9 in order to get into the appropriate professional qualification). Other than English and maths, the subjects generally don't matter.
You can do these 2 GCSEs through an random local adult colleges. For any other subjects, you will need to look harder for specific colleges (most likely online) and then arrange for your own exams.

In terms of A Levels, you need at least 2 to do the professional qualification, and 3 for most degrees. The subjects don't really matter. For the professional qualifications, these need to be passes i.e. at least Es. For universities, these can range from Cs to A*s depending on where you apply to.
If you're not eligible for 6th form (i.e. you're older than 17), then you will likely need to do the A Levels either online or self study. Either option is likely difficult if you have learning difficulties.

Alternative to A Levels to get into the professional qualifications, you can do AAT which is usually for bookkeeping. However, you can get into the appropriate accounting qualification after completing Level 3 AAT, which is the equivalent of A Level.
AAT can start from Level 1 and finish at Level 4. Levels 1-3 have no entry requirements.
Only a handful of universities will accept AAT instead of A Levels for their degrees, but I generally don't recommend going to university to become an accountant.
There are plenty of course providers out there that offer AAT courses, but you can also sign up for self study through the AAT website.

Depending on the type of accountant that you want to be, you might need to take AAT instead of A Levels. There are dozens of accounting bodies in the UK, and some might not require you to have done AAT (or can offer you alternative qualifications e.g. CIMA and ACCA).
The 3 main types of accountants are:
People qualified as private accountants can work in the public sector, management accounting (in-house accounting), and can set up their own practices and is one of the more flexible qualified personnels. If you want to work as a management accountant or public service accountant, you're restricted to roles in their respective areas. Whilst anyone can switch accounting bodies by doing extra exams after they have finished all their papers with one body, it's a bit of a pain to do.

See the following for the list of accounting bodies: https://en.wikipedia.org/wiki/British_qualified_accountants

If you want to be part of the the most highly respected accounting body in the UK, go with ICAEW and do the ACA. In which case, do the AAT at Level 3 then transfer over to ACA.
If you want to be open to the prospects of working in over 180 countries (not that you can't work abroad with other accounting bodies, but you need to do extra paperwork and get the relevant work experience in the foreigh country), you might want to go for ACCA,.
If you want to only work in the British public sector, then the CIPFA is probably the best qualification, even though you can get into the public sector with any accounting qualification.
If you want to only work in management accounting, then you can pick virtually any accounting qualification (other than CIPFA) but the specialist is the CIMA.
The above are the 4 most popular accounting qualifications, but there are others e.g. ICAS, CAI, AIA, IFA

If you want to only work in tax, it might be worth your while to focus on trying to get a CTA, which is the highest qualification in tax in the UK. Whilst you can advise on tax with any accounting qualification suited for private accountants, it's not as highly respected as the CTA which can go into more depth. The quickest route to the CTA is to do the ATT (not the AAT) + CTA.
Just for fun, if you want to advise on international tax, you can do the ADIT, but there are very few course providers that offer courses on this.

If you want to work in audit, you would probably want to go with ACA, ICAS, or CAI to my knowledge. After completing these qualfications, you shouldn't need to take on further qualifications in order to work as an external auditor. You will need extra qualifications if you go with ACCA.
External audit can pay a lot, but there is a lot of risk involved (liable for prison sentences), so I don't recommend it for everyone.

The other thing that you can look into is to become an economist accountant, who looks to put accounting data for economic purposes. This is through the government who wants the data for economic statistics.

I don't know specifically what you want to do, so I recommend you to look at the following and then get back to me regarding your career intentions:
https://nationalcareers.service.gov.uk/job-profiles/private-practice-accountant
https://nationalcareers.service.gov.uk/job-profiles/management-accountant
https://nationalcareers.service.gov.uk/job-profiles/accounting-technician
https://nationalcareers.service.gov.uk/job-profiles/public-finance-accountant

I am a firm believer that learning difficulties are not death sentences. If you want to turn things around, it's possible despite the hindrance but you would need to step up and take the right actions and employ the right strategies (not just any action/strategy).