I mean, the thinking was pretty simple. If you don't collect this data, you just can't know how students are doing. And if you don't know how students are doing, you can't help them improve. So with these test scores, you can finally say, how are low-income students doing? How are African-American students doing? How are immigrant students doing? If you don't collect this data nationally, you don't know.
Ukucabanga kwakulula kakhulu. Uma ungaqoqi lolu lwazi, ngeke wazi  ukuthi abafundi baqhuba kanjani. Futhi uma ungazi ukuthi abafundi baqhuba kanjani, ngeke ukwazi ukubasiza bathuthuke. Ngakho ngala manani amathesti, ekugcineni ungasho yini ukuthi abafundi abaphuma emakhayeni ahola kancane bazoqhuba kanjai? Abafundi abangama-African-American baqhuba kanjani? Abafundi bezifiki bona baqhuba kanjani? Uma ungaluqoqi lolu lwazi ezweni lonke, ngeke wazi. 