What if I got my report card, but I didn't get my grade? It is a calculator that predicts the rank if you know the total number of people, average, standard deviation, perfect score, and my score. Please note that there may be some errors as much as you can predict by modifying the standard regular distribution!
You can also obtain the mean or standard deviation of large quantities of random quantities directly. A "simple rank calculator" that simply obtains rank or standard deviation.