Substitute Math Teacher, Long-Term

Atlantis Academy•Chicago, IL

About The Position

Ombudsman Educational Services is seeking a Long-Term Substitute Math Teacher to join its Alternative Education team serving students in grades 9–12. The role supports students who benefit from structure and second chances in a dynamic learning environment. In the absence of the regular classroom teacher, the Long-Term Substitute Teacher ensures instructional continuity by implementing curriculum, classroom schedules, lesson plans, and related materials tailored to individual student needs. Instructional practices should align with ChanceLight standards, Ombudsman policies, state requirements, and students’ physical, emotional, and academic development. The role is accountable for driving measurable student achievement.

Requirements

Bachelor’s degree or higher in education or a closely related field.
Currently licensed or in the process of obtaining a valid Illinois state substitute teaching credential.
Ability to obtain and maintain certification in company-approved crisis management training.
Prior experience and/or knowledge in curriculum development, differentiated instruction, classroom management, and personalized learning.
Prior experience teaching math or a related subject at the high-school level.
Ability to prioritize tasks and meet deadlines while maintaining organization and attention to detail.
Ability to motivate students and have critical conversations that help them move toward realistic goals.
Ability to think and act quickly and calmly in an emergency and make independent decisions.
Advanced oral and written communication, organization, conflict-resolution, multitasking, problem-solving, and decision-making abilities.
Proficiency with relevant technology, including computers, Microsoft Office Suite, database entry, and basic office equipment.

Nice To Haves

Experience teaching in an alternative education, special education, and/or behavioral health program setting.
Experience and/or knowledge in alternative educational services for at-risk students and working with students with diverse needs at various levels.

Responsibilities

Design daily lesson plans and structured classroom schedules aligned with state standards and school expectations.
Deliver rigorous, engaging instruction and facilitate classroom activities using curriculum resources and educational technology.
Collaborate with teachers and support staff to provide targeted instructional support and approved curriculum modifications for diverse learner needs.
Establish and enforce clear behavioral expectations and maintain a safe, structured learning environment, including consistent line-of-sight supervision of assigned students.
Maintain a firm, fair, and consistent instructional approach grounded in structure, accountability, and high expectations.
Communicate regularly with parents and guardians about student progress, areas for improvement, and factors that may influence academic performance.
Participate in team meetings addressing student academic or behavioral concerns and intervention strategies.
Monitor and evaluate student progress using classroom data, documentation systems, and performance metrics.
Stay current with research-based practices, subject-area advancements, and professional development opportunities.
Model professionalism and positivity, and respond constructively to feedback to support continuous growth.
Perform additional duties as assigned to support classroom operations and student success.