A person who shares the role or responsibilities of being a principal, typically in a school or organizational setting.
From co- (together) + principal (from Latin principalis, first or chief), describing shared leadership of an institution.
Some schools now hire two principals to handle the massive workload of running a building—it's recognition that one person managing thousands of students is basically impossible, so they split the job.
School leadership (principals) historically male-dominated; 'coprincipal' roles emerged as women entered administration but often in subordinate co-status rather than equal partnership.
Use 'co-principal' or 'shared principal leadership' to emphasize equal authority and partnership rather than hierarchical coprincipal framing.
["co-principal","shared principal leadership","dual principal authority"]
Women now comprise over 50% of K-12 principals in many US districts (as of 2023), reversing historical male monopoly. Shared principal models recognize co-equal expertise.
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