Read aloud
One way to make texts cement itself into your brain is to read aloud. Reading aloud is the foundation of literacy development. People have a higher listening comprehension than reading comprehension. You will be surprised to see how much information you can absorb this way. It makes complex ideas more accessible and exposes you to vocabulary that is uncommon in daily speech.
Tackle books at the right level
If you are getting into reading, make sure to read books that are at your current level. A book that is too easy will not benefit you, while reading a book that is too complicated will just hinder your learning process. Everybody is different, so there is no fixed rule for how accomplished your reading comprehension is. There is no shame in whatever level you are at. You can slowly work towards more difficult books as you read more.
Re-read to build fluency
Re-reading books helps with the fluency and fluidity of your reading pace. With each re-read, you are reviewing parts you might have missed and are absorbing knowledge in different ways. Try reading a book a few times and you will read it cover to cover in no time.
Speak to a teacher for help
You can ask your teachers to recommend books that they think are suitable for you to better your reading comprehension. However, you must tell them your current reading level before they can help you.
Talk about what you are reading
If the paragraph you are reading is too complicated for you at the moment, take a moment to summarise what you read. This breaks down the information into bite sized portions that are easily digestible.