Long-Term Biology Substitute Teacher

Casady School; Oklahoma City (OK); On-site; USD 20,000 - 33,000; Full time

Job summary

Casady School is seeking an engaging and professional educator to serve as an Upper Division Long-Term Substitute Teacher for high school biology. The role begins Spring 2027 for at least six weeks, delivering direct biology instruction and maintaining Casady’s high standards in academics and behavior.

The ideal candidate will foster a positive learning environment, facilitate lab activities with strict safety protocols, and collaborate with department leadership to report student progress and

Qualifications

• Bachelor’s degree in Biology or closely related field.
• Strong understanding of core high school biology concepts and the ability to teach them effectively.
• Experience teaching, tutoring, or working with high school students preferred.

Responsibilities

• Deliver biology instruction to Grades 9–12 and follow department lesson plans.
• Lead lab activities with strict safety protocols.
• Assess and provide feedback on biology assignments and quizzes.
• Support student engagement and critical thinking in coursework.
• Collaborate with Upper Division leadership on progress updates.
• Maintain a respectful, safe classroom aligned with Casady’s culture.

Skills

Communication

Classroom management

Organization

Professionalism

Adaptability

Education

Bachelor's degree in Biology or closely related field

Job description

Casady School is seeking an engaging, dependable, and professional educator to serve as an Upper Division Long-Term Substitute Teacher for high school biology.

This role will begin in Spring 2027 and be a minimum of six weeks. The ideal candidate will maintain classroom continuity, deliver direct biology instruction, foster a positive and focused learning environment, and support students in upholding Casady’s high academic and behavioral standards. Enthusiasm for working with high school students and supporting their academic growth in the sciences is paramount.

Key Responsibilities

• Instruction & Classroom Management: Deliver engaging biology instruction and facilitate daily lesson plans provided by department faculty, ensuring learning momentum and student comprehension are maintained
• Laboratory Facilitation & Safety: Lead students through hands-on biology experiments and lab activities while strictly enforcing classroom and lab safety protocols
• Assessment & Feedback: Evaluate and grade biology assignments, lab reports, and quizzes to maintain accurate records of student progress
• Student Engagement: Support Upper Division students (Grades 9–12) in their coursework, encouraging critical thinking, responsibility, and academic integrity
• Supervision & Safety: Maintain a respectful, productive, and safe classroom atmosphere aligned with Casady’s culture of respect and community
• Communication: Collaborate with Upper Division leadership and department colleagues to provide updates on student progress and lesson completion

Qualifications

• Education: Bachelor’s degree in Biology, Life Sciences, Science Education, or a closely related field required
• Knowledge: Strong understanding of core high school biology concepts and the ability to teach and explain them effectively required
• Experience: Experience teaching, tutoring, or working with high school students is preferred

Skills & Attributes

• Strong communication and interpersonal skills
• Excellent classroom management and organizational abilities
• Adaptability, punctuality, and professionalism
• Alignment with Casady’s mission and core values of excellence, confidence, and integrity