Hello,Welcome to our site and thanks for your question. My name is ***** ***** I'll be helping you today.
School records aren't kept forever. Most are destroyed within 10-15 years at the most after the child leaves the school. Otherwise we would be up to our necks in paper.
You would need to contact your school individually and see if by some miracle they retained the records, but finding anything after about 1990 would be an incredible bit of luck. Perhaps with the current level of technology records can be retained longer on digital media, but those dating as far back as yours are unlikely to still exist.
If someone is curious about their IQ they can always take another IQ test. By the way, IQ has increased about 3 points per decade, and children typically see IQ grow during adolescence (as much as 15-18 points!). No one knows why that happens, but it is observed. Any tests you took back then are unlikely to reflect your IQ today.
You're so very welcome. I'm sorry the records no longer exist.