## Notes from 03 April 2026 [[2026-04-02|← Previous note]] ┃ [[2026-04-04|Next note →]] **[Lavy & Boiko (2017) — Management Quality in Public Education: Superintendent Value-Added, Student Outcomes and Mechanisms](https://www.nber.org/system/files/working_papers/w24028/revisions/w24028.rev0.pdf)** This is a very interesting paper to consider regarding the [[Impact of Executive Personnel Systems]] and education reform. Lavy and Boiko measure the **causal effect of school superintendents** on student outcomes in Israel's primary schools. Superintendents there function as CEOs of clusters of roughly 15 schools, wielding authority over principals, teacher tenure, and school priorities. The identification strategy exploits a Ministry of Education rule requiring superintendents to rotate across schools every 3–5 years—a process driven by retirement and geography rather than performance. ### Key findings - **Quantifiable gains:** A one standard deviation increase in superintendent quality raises student test scores by about **0.04 SD** in math, Hebrew, and English. - **Non-linear effects:** The impact is concentrated among superintendents in the top quartile of the quality distribution, where the estimate jumps to approximately **0.13 SD**. - **Equity:** Effects are consistent across students from various socioeconomic backgrounds. ### Mechanisms of change Interestingly, the paper finds **no effect on school resources or instruction time**, as funding is centrally mandated. Instead, the improvements stem from organizational practices: 1. **Clearer priorities:** High-quality superintendents establish more defined working procedures. 2. **School climate:** More active interventions lead to a reduction in violence and bullying. 3. **Personnel decisions:** A notable downstream effect is principal replacement—the probability of a principal change increases by about **9 percentage points** in the year following a new superintendent's arrival. ### Significance This study is highly relevant to the [[Impact of Executive Personnel Systems|executive managers in government literature]]. It provides clean causal evidence that management quality at an **intermediate level** (neither the top-level ministry nor the individual classroom) matters and scales significantly; one superintendent influences roughly 15 schools and thousands of students. Ultimately, the paper contributes vital evidence showing that [[Executive Decisiveness|executive decisiveness]] and organizational management are just as crucial as bureaucratic resources (budget, headcount, etc.) in transforming public institutions.