I’m guessing you don’t really mean accurate. You are probably asking whether students should rely on those ratings for judgements about whether to consider attending the school. Those ratings are based on a formula that weights a bunch of variables differently and compiles them. I’m sure they take care to ensure that they don’t make mistakes. so they are “accurate”. The extent to which you should use that particular rating depends on whether your needs, values or goals align well with those of the rater. Look at how they weigh various variables. Are those the ones that are important to you? Would you choose the same ones and weigh them similarly? That is a very well respected list but it is not designed to serve as the basis for choices of colleges to attend. It can provide information that you may want to use along with information from many other places.