The NGSS grade is clearly superior to grades we granted to the science standards of sixteen states and the PISA framework in the State of State Science Standards 2012 but clearly inferior to those of twelve states and the District of Columbia, as well as the NAEP and TIMSS frameworks.
High-res

The NGSS grade is clearly superior to grades we granted to the science standards of sixteen states and the PISA framework in the State of State Science Standards 2012 but clearly inferior to those of twelve states and the District of Columbia, as well as the NAEP and TIMSS frameworks.