view Ohio’s 2021 spring tests show that achievement suffered during the pandemic and highlight the importance of in-person learning Vladimir Kogan, Stéphane Lavertu 9.7.2021 OhioOhio Gadfly Daily
view Ohio’s fall tests reveal how the pandemic has affected student learning Vladimir Kogan, Stéphane Lavertu 2.8.2021 OhioOhio Gadfly Daily
view Columbus audit offers sobering lessons for Ohio teacher evaluations Vladimir Kogan 5.21.2020 OhioOhio Gadfly Daily
view How Columbus Public Schools revealed a new way to game the state report card Vladimir Kogan 10.18.2019 OhioOhio Gadfly Daily
view Time to bring the value back into Ohio’s “value added” school grades Vladimir Kogan, Stéphane Lavertu 8.5.2019 OhioOhio Gadfly Daily
view Why “local control” won’t fix Ohio’s struggling school districts Vladimir Kogan 7.11.2019 OhioOhio Gadfly Daily
view Making good on the apprenticeship promise will require major investment in states 6.29.2017 OhioBlog
