so williamsburg takes almost every opportunity to get their students to excel. how successful has the uncommon school been? >> 80% of our students are considered low income. 99% of our students are african-american and latino. here at williamsburg collegiate, 100% of the sixth, seventh and eighth graders scored proficient or advanced compared to 75%. >> 100%? >> 100% in grades six throug eight. so we are creating a new performance gap. our students are outperforming the regular school student. >> wow. >> using tests only sparingly, at williamsburg, all about testing, all the time. >> so if you load those upside down like this. >> yes. >> perfect. >> so now we have a bunch of raw data that is going to go into a spreadsheet. this master spreadsheet has every grade for every subject for every kid in the school. >> it's amazing.