Mayor Bloomberg is justifiably proud of the big gains New York City made in boosting the high-school graduation rate on his watch, with about two-thirds of students now graduating in four years, up from half a decade ago. This appears to be the result of a whirlwind of creative efforts, including expanding educational options for teenagers via the creation of hundreds of brand-new high schools.
Yet Mayor Mike’s good work for big kids is matched by lackluster results for the city’s younger students. Eighth-grade reading scores, for instance, barely budged from 2003 to 2011, according to the National Assessment of Educational Progress (2013 scores are due out next week).
Perhaps this is one reason that de Blasio wants to expand the city’s pre-K offerings. In theory, giving low-income students a head start at age four will help them become better readers and better learners.
But de Blasio needs to come to grips with a simple truth: Any gains provided by a massive new investment in preschool will quickly fade away if he doesn’t also tackle New York City’s mediocre elementary schools.
What makes them mediocre? It’s the curriculum, stupid — or the lack thereof. When Bloomberg and Joel Klein exploded on the scene in the early 2000s, they were famously agnostic about what kids actually learn in the classroom day to day. To Klein’s credit, he eventually came to see the errors of his ways, and in his last years as chancellor he embraced the Core Knowledge program—a coherent, content-rich curriculum that is a model for...