For getting admission in 12th with the percentages of 55.

The college/university have a criteria different and percentage and caste. Get admission in higher college in low percentage like 55 is so Hard but if the the have any vacancy for last round than only you can get admission in higher university.

Best ,

You can try to get admission in middle and average college/university they give offer addmission easy. You have to find best college for you according to your percentage.

Yes you can get admission.