The phrase "a message to schools" is correct and usable in written English.
It can be used when referring to communication intended for educational institutions or their staff.
Example: "The organization released a message to schools regarding the new safety protocols for the upcoming school year."
Alternatives: "a communication for schools" or "a notice to educational institutions".
Education Secretary Mike Russell said: "Benjamin's death was a tragic case and his parents have been instrumental in ensuring there is a clear message to schools and sports clubs that concussion should be taken seriously and that anyone suspected of sustaining such an injury should be immediately removed from play.
"This sends a strong message to schools that transgender students have to be treated just like other students," said Michael D. Silverman, executive director of the Transgender Legal Defense & Education Fund.
But the decision still sends an important message to schools about the need to respect their students' privacy when they conduct investigations.
But education stakeholders still worry that it will send an important symbolic message to schools and students, leading to less vigorous enforcement of these issues at the federal level.
"We think the fact that U.S. News and has unranked the school for at least one year... sends a message to the schools they should really care about the integrity of their external data reporting," Morse said.
She carried her message to schools, to hospitals and to prisons — where she advocated sit-ups as a riot-prevention measure.
L.A.'s education board sends a message to Trump: Schools will stay 'safe zones' for students here illegally.
Removing Dr. Glascoe could also convey an unfortunate message to school staff: grumble loud and long enough, and you can get rid of someone you don't like.
In a message to her school email, he called her a "disgusting sexual monster", told her he was surprised he was still working and said should not be allowed "anywhere near young people, especially boys".
