. >> i think based on the general data inc. eryone is aware of the long natural data we presented to stanford university we have overlook to catch up but in terms of of el and the support for goals we see that this is where we certainly need to know cloak specific data i'm more than happy to provide the data as commissioner fewer suggested what makes a difference in terms of our english learners with the english competency is what are the counterparts to be the program so we see through the programs depending on how strong etch english learn or counterpart how strong they come in with the english background truly by extracting in a meaningful way by a steam fascination that's where we see the differences to in a district wide we truly have a list of teachers from tradition from teachers to the whole class instruction versus having a small group in a collaborative instruction among the students to beginning with so to go deeper and a at the structural level but shifting the dynamics you don't see that many schools like in the cla