Yes, the renaming of schools to other people named Lee in order to save money is a real thing.
In addition to Congresswoman Barbara Lee, Bruce Lee, Spike Lee, and Gypsy Rose Lee, how about Stan Lee? I also like the school in Texas who changed the word LEE into an acronym for the Legacy of Educational Excellence.
However, some people are against removing Confederate names, claiming that it is equivalent to changing history. But they have it backwards.
Building monuments and naming schools after Confederate heroes actually peaked around 1910, a full 50 years after the end of the Civil War. That was during the Jim Crow era, a time marked by laws disenfranchising Black Americans and rampant segregation. And there was another peak around 1950 to 1960, at the height of the civil rights movement. It looks more like this was an attempt to rewrite history, and intimidate Blacks.
It was clearly racist. How would people feel if a school was named after Adolf Hitler? He was also a racist who started — and lost — a war in which many Americans died. And Confederate heroes were also traitors to the US. Why would you want to honor them?