agreed, it's distracting and inaccurate. Your job is to report runnings news, not re-write it to your liking. If there was a large and recognized public push to make a distinction between American-born records and American High School records then that would be one thing, but you are simply trying to invent something that doesn't exist.
It would be like saying that a movie won the "Rob and Weldon Johnson" award for screenwriting, and oh by the way, also won that thing called the Oscar. No one would give a crap about who won the "Weldy" for best picture, no matter how hard you tried to sell it in a write up.
So stop trying to act like your readers give a crap about "american born/american citizen" high school records compared to actual High school records. Any mention of american born/american citizen high school records should be a small footnote or aside, but you treat it as the headline.
If an American citizen was living and attending high school overseas, while at the same time was being trained in a professional club environment and happened to run/swim/etc faster than one of our High School records, I wouldn't really feel like this was the "American High School" record. Junior record, sure, but calling it the "American High School" record would seem a bit false.
What's the difference between "Junior" and "High School" record? Well one is determined by age and nationality, the other by being the member of a system, the American High School system. As long as you meet the requirements to participate in that system, then you should be considered the record holder of that system.
If you want to emphasize the fact that you are extra happy that a 'true' American broke the record then please confine your labels to 'American Junior record' etc.
When reporting on 'American High School' records, please use the long-standing and widely held definitions of this term.
What's the point in trying to make this distinction? It seems clumsy and damaging for a news site to try to control and rewrite the terminology like this. Besides the xenophobic undertones that such re-writing implies , don't we want our athletes to compete with the best in the world one day? then why send the message to them that it's good enough just to be the best 'officially recognized' American. If we want our best to compete with the best, then why try to shield them from the best and remove some very important goals for them to chase? One of the biggest reasons cited for the resurgence of US distance running in recent years is the internet. High school kids were no longer content to be the best in their small pond, they were able to see the even better marks posted by kids all across the country. This motivated them to trainer harder and become better.
Why should we take away this incentive from our most elite young runners? telling them that they no longer need to chase the records of the very best in High School history, just the ones that had the proper paperwork? Promoting this attitude not only seems xenophobic, but also detrimental to the very people you're trying to protect.