| http://www.w3.org/ns/prov#value | - Other states, such as Colorado and Ohio, mandate that 50???percent of teacher assessments must use student growth data but leave it up to local school districts whether to use value-added or other measures.???You can get me to walk down the road with you to say value-added is relevant, but 50???percent is too weighted,??? said Washington Teachers??? Union President Nathan Saunders.
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