The phrase "affected all schools" is correct and usable in written English.
You can use it when discussing the impact of a particular event, policy, or situation on every school within a certain area or system.
Example: "The new education policy affected all schools in the district, leading to significant changes in curriculum and funding."
Alternatives: "impacted every school" or "influenced all educational institutions".
In four of the districts most severely affected, all schools are closed, leaving children unable to finish their exams, which are held over the summer months.
Devon expressed particular concern about the independent school sector where she said the "the pressure to achieve is sometimes more rigorous", but she stressed it was an issue that affected all schools across the board.
"However, the problem has not affected all schools.
But he said yesterday's threat was the first to affect all schools in the county in recent memory.
A source in the Burnham camp said: "What one school does on admissions policies affects all schools and pupils in a local community.
"Vibrant Cities Find One Thing Missing: Children" misses a demographic trend that will affect all schools over the next 10 years, not just those in vibrant urban areas: Many parents of current school-age kids are from Generation X, and Generation X is small.
Rosamund McNeil, from the National Union of Teachers, said the latest funding figures showed "the growing financial crisis affecting all schools - academies as well as maintained".
Previous studies have considered closures affecting all schools across a region either by observing past closures [2], [3], [4], [5] or through mathematical models.
How does educational desegregation affect all-Indian schools like the Poarch Creek Consolidated Indian School?
The RFU says one in three children affected by the All Schools programme are girls - a figure Grainger describes as "light years ahead of where we were a decade ago".
The study concludes that the delinquency propensity of adolescent boys may be affected by all school bonding dimensions, whereas for girls it is their relationship with their teachers that is of significance.
