The governor's trade-offs; Voters need more details on proposed changes to class-size amendment.(A SECTION)(Editorial)

Gov. Jeb Bush has shrewdly proposed a constitutional amendment that would raise the salaries of teachers but lower the standard for enforcing a class-size measure approved by voters.

The governor's measure has two main components:

* One would change the criteria for measuring voter-endorsed caps on the number of students in public school classrooms. Bush's amendment would eliminate the current, classroom-by-classroom standard and replace it with a "district average."

* The other part would establish a "minimum salary for each public school teacher" of "no less than $35,000." (Note that this language, taken from the governor's proposed amendment, would create a $35,000 minimum for all teachers, not only those in their first year.) This provision would also require …