Los Angeles Unified School District (LAUSD) is a public school district in Los Angeles, California, United States. It is the largest public school system in California in terms of number of students and the 2nd largest public school district in the United States, with only the New York City Department of Education having a larger student population. During the 2022–2023 school year, LAUSD served 565,479 students, including 11,795 early childhood education students and 27,740 adult students. During the same school year, it had 24,769 teachers and 49,231 other employees. It is the second largest employer in Los Angeles County after the county government. The school district's budget for the 2021–2022 school year was $10.7 billion, increasing to $12.6 billion for the 2022–2023 school year.

The New York City Department of Education (NYCDOE) is the department of the government of New York City that manages the city's public school system. The City School District of the City of New York is the largest school system in the United States, with over 1.1 million students taught in more than 1,800 separate schools. The department covers all five boroughs of New York City, and has an annual budget of around $38 billion.