I believe it being shown is a default option in zope.form and z3c.form, which SchoolTool uses to make its forms. I recall the the "Identifier (optional)" field appearing in other SchoolTool forms as well. They should all be checked.
I believe it being shown is a default option in zope.form and z3c.form, which SchoolTool uses to make its forms. I recall the the "Identifier (optional)" field appearing in other SchoolTool forms as well. They should all be checked.