Table of Contents PSSA SCIENCE 2015 All 2016 All 2017 All 2018 All 2019 All 2020 All* 2019 TDec 4 94.3 92.1 94.2 94.3 94.6 N/A 95 8 79.4 79.2 71 72.5 83.7 N/A 78 17