MODESTO, Calif. (AP) — Before every important test, teacher Nancy Barajas dims the lights, turns on a disco ball and blasts music from her playlist. Her sixth graders dance together as a “pre-celebration” to boost their confidence, then take their exam. Lately, there’s been a lot to celebrate in elementary schools in Modesto, California. Both reading and math scores have increased consistently over the past several years. kAmqFE 24C@DD E96 4@F?ECJ[ C6DF=ED 2C6 8=@@>:6C] #6D62C496CD H2C?