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The vision of the Mary C. O’Brien Preschool Department was born out of a desire to provide opportunities to enhance our excellent educational programs. Our goal is to create program that reflect our commitment to providing high . . . read more

MCOB Calendars

School Monthly Calendars August September October November December January February March April May . . . read more

Arizona's Assessment Parent Guide

ASSESSMENT INFO: New Resource Available, "A Parent Guide to Understanding Arizona's Statewide Assessments"

Assessment Parent Guide Assessment Parent Guide SPA read more

Student Resources

Student Accounts    Math                Reading             Science    . . . read more

MCOB Parent/Student Handbook 2023-2024

Parent Student Handbook 2023-2024 Parent Student Handbook (Espanol) 2023-2024 read more

MCOB Survey

Parent Survey Letter Parent Survey Letter (ESP) Kindergarten Kindergarten (ESP) First Grade First Grade (ESP) Second Grade Second Grade (ESP) Third Grade Third Grade (ESP) Fourth . . . read more

First Things First

First Things First is Arizona’s early childhood agency, committed to the healthy development and learning of young children from birth to age 5. Why Early Childhood Matters 90% of a child’s brain develops before they . . . read more

MCOB Store

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Open Enrollment

MCOB Open Enrollment Handbook 2024-2025 MCOB Open Enrollment Handbook 2024-2025 (Espanol) MCOB Open Enrollment Handbook 2023-2024 MCOB Open Enrollment Handbook 2023-2024 (Espanol) read more

Mary C O’Brien Accommodation District3740 N. Toltec RoadEloy, AZ  85131520-450-4466

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