https://tailwind-nextjs-starter-blog.vercel.app/blog 숲다(SUPDA) — 함께 깊어지는 교육 공동체 ko-KR address@yoursite.com (숲지기 (SUPDA)) address@yoursite.com (숲지기 (SUPDA)) Sat, 04 Apr 2026 00:00:00 GMT https://tailwind-nextjs-starter-blog.vercel.app/blog/global-learning-crisis-oecd-pisa-2025 https://tailwind-nextjs-starter-blog.vercel.app/blog/global-learning-crisis-oecd-pisa-2025 OECD PISA data shows global student math scores dropped by the equivalent of 7 months of learning. We examine a decline that began before the pandemic — and a deepening mental health crisis. Sat, 04 Apr 2026 00:00:00 GMT address@yoursite.com (숲지기 (SUPDA)) OECDEducationPISALearningCrisisEducationInequalityStudentMentalHealthGlobalEducationUNESCO