Notable Numbers – January 2026
77% of Upper School Students Participate in Sports Upper School students’ participation in interscholastic sports has remained constant at 77% since INDEX started collecting data in 2013-14. Middle School students’ […]
Notable Numbers – December 2025
Teacher Attrition Drops to 9.8% INDEX teacher attrition fell to 9.8% in 2024-25, down 21% from the Covid peak and among the lowest rates in a decade. Still, turnover remains […]
Notable Numbers – November 2025
This month’s Notable Numbers includes highlights from the 2025 INDEX Data Trends Report delivered at the October HOS/CFO Conferences. Revenue Growth Outpaces Expense Growth Since 2017-18, average revenue per student […]
Notable Numbers – October 2025
The following Notable Numbers are taken from recent member surveys submitted through the INDEX portal. Endowment Draws (62 schools responding) Head of School Reporting (51 schools responding) Accounting Software (48 […]
Notable Numbers – September 2025
Pros and cons of remote/hybrid work as reported by INDEX Schools.
Notable Numbers – June 2025
Insights from the June 2025 INDEX College Counseling SurveyEighty-eight INDEX schools participated in the latest INDEX College Counseling Survey. Each school received a customized benchmark report with the complete findings. […]
Notable Numbers – May 2025
The data below are some of the findings from a broad survey – the INDEX Admissions Pulse Survey (May 2025) – in which 126 INDEX schools responded to a series […]
Notable Numbers – April 10, 2025
The data below represent average percent changes in key metrics from INDEX schools during the period 2006/07 to 2009/10, capturing shifts that occurred during the Financial Crisis. While today’s environment is not identical, these historical […]
Notable Numbers – April 2025
The following 6-year trends include the same schools throughout. For a detailed comparison of your school’s performance, please refer to the Admissions section of your INDEX Annual Report. Applications | +10% Since […]
Notable Numbers – March 2025
Seven years of school-reported (non-standardized) full-time equivalent (FTE) data.