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Abre.io vs Classter

People

Abre.ioEducation CRM

ClassterEducation Management Systems

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Education CRM

Overview

Focus

Education CRM

Education Management Systems

Product

Unified K-12 platform combining SIS, LMS, and data management for school districts.

All-in-one school management platform providing SIS, LMS, CRM, and financial management for K-12 and higher education institutions.

Website

Headquarters

Cincinnati, Ohio

Athens, Greece

Company size

11-50 employees

51-200 employees

Founded

2016

2015

Pricing details

Source updated

Nov 2, 2026

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