There is clearly an element of unfairness with the way some schools award both regular credit and bonus points for honors/AP/etc. School systems who use the old 93+ A system are really putting their students at a disadvantage in college admissions.
On the bright side, UCF puts heavy weight on SAT/ACT scores, so if his scores are high, his GPA won’t hurt his chances.
If your son’s school’s system unfairly penalizes him, you could try sending Undergraduate Admissions an email and advising them of that. It IS going to make a difference in his GPA, and unfairly so.
For weighted GPA, UCF recalculates the weighting according to their own standards. First of all, they award bonus points only for core courses required for high school graduation by the state of Florida. Therefore, grades in elective classes and courses like band and chorus will not count at all.
UCF adds 1.0 point for an AP A, and 1/2 point for an AP B. I believe they award 1/2 point for an Honors A and 0.25 point for an Honors B. They do not award bonuses for any honors or AP grade below a B, and no points for non-core classes.
If you have any questions about admission standards, there is a wealth of information on the UCF Undergraduate Admissions webpages. You can also call or email them, and you will find them very helpful. You will get a lot more information and help by calling than emailing.