Really make use of the weekly speaking sessions - this will help you will fluency in your speaking (even watching telenovelas to chat about in these speaking sessions will help your fluency)
2. Do lots of wider reading (books, articles, newspapers) - this is a great way to expand your vocabulary and familiarise yourself with different types of text to help with the reading portion of the exam
"Memrise" and "Quizlet" - use this to help you memorise vocabulary
Put on Spanish captions for movies you're watching in English and change the language on your phone to Spanish so that you're exposed to the language all the time and you can pick up new and useful vocabulary
The school library is full of Spanish language books, films and articles which you can read before a lesson on a certain topic