{ "item_title" : "Policy by the Numbers", "item_author" : [" Meinhart Mosqueda "], "item_description" : "Every district leader already knows which students are struggling. The problem isn't instinct - it's that instinct doesn't scale, and by the time report cards confirm it, the window to act has closed.Policy by the Numbers hands education leaders a real, working predictive model - built entirely from data districts already collect - that flags at-risk students while there's still time to help them. No data science team required, no black-box software, no jargon you can't repeat to a school board.The book follows Sagebrush Valley, a composite district, from a three-week data-cleanup sprint to a fully funded, board-approved intervention, then follows that same discipline outward: scaling to an entire state without letting a healthy average hide a struggling school, holding up under a genuine second-year validation check, and surviving contact with federal reporting requirements without losing its original purpose.At the center of the model is the Support Coefficient - a mechanism that turns we should help this group of students into a specific, fundable, measurable target, making equity a quantifiable part of the math rather than an afterthought bolted on. A dedicated chapter makes the case for why this particular approach - plain logistic regression, not a fancier algorithm - is the right tool for a decision this consequential, and a full statistical formalization gives a data team everything it needs to verify the math for themselves.The book doesn't stop at building the model. It covers what happens when a prediction misses, who's accountable when the model flags a real student, and what a model should never be allowed to decide alone.Written by an author who has spent a career moving between particle physics research and statewide education policy, Policy by the Numbers is for superintendents, principals, curriculum directors, and state agency staff who want a tool that respects both the rigor of the math and the judgment of the educator making the final call. Diagnostic, not deterministic - this model finds where the system needs to show up. It never decides where a student ends up.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/895/205/9798952051003_b.jpg", "price_data" : { "retail_price" : "30.00", "online_price" : "30.00", "our_price" : "30.00", "club_price" : "30.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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