So...I'm back to considering IQ testing, which we haven't done.
When then I am left to wonder how your school could default her to not being gifted?
Is achievement test the only thing they use to consider gifted?
It would trust your gut. I often hear of people who thought their 3-6yo were special only to find out that they averaged out by 9, but I have never heard of a 10yo parent being wrong. By 10 most kids have leveled out as much as they are going to, so If you notice that your 10yr is different, I would gamble that you are right.
DD is not PG. Based on descriptions I've read, maybe HG.
I believe that most schools are designed to meet the needs of kids whose IQ range is below 110. Its not just kids PG kids who need more challenging work! There is larger pool of kids who are in the 120's who also under challenged.
So, even if your DD does not break the infamous 130 benchmark, it does not mean that she doesn't have the need or ability to be challenged above the regular curriculum.
Your child is entering the most important phase of her education and development. I would highly recommend having her IQ tested and advocate for needs.