Our school is standards-based, which means we don't give letter grades.
Instead, students are evaluated on rubrics, aligned to the standards, to truly show growth and mastery of a skill. The standards are continually taught, assessed, retaught and reassessed to allow students multiple opportunities to demonstrate success.
My students and I frequently engage in conversations about growth and that it's okay not to be an expert at everything.
I stumbled upon this on pinterest this morning:
And I absolutely love the way it's phrased. It perfectly aligns with my classroom philosophy.