A forwarded readiness list has me second-guessing before we apply to Auxilium

We are looking at Auxilium in Marredpally for our daughter for next year. She is 4. In an informal parents' group I am part of, someone posted that every child is supposed to be reading simple three-letter words by the time they join school, and now there is a list going around of what they should already know. Nobody in the group could say where this came from. I would rather hear it from the school, or from parents who asked the school directly, than prepare her against a forwarded list. How did you find out what a school actually expected at entry? Did you ask at the admission office, at the interaction, or somewhere else?