Mullen High School is hiring: Mathematics Teacher in Denver

Job Opening

Mathematics Teacher 2025-26 Academic Year

Mullen High School is seeking to hire an energetic committed Mathematics Teacher. This is a full-time, at- will position for the 2025-26 school year. The applicant would be expected to plan, organize and implement an appropriate instructional program in a learning environment that guides and encourages students to develop and fulfill their academic potential. The applicant must be able to plan, prepare and deliver instructional activities that facilitate active learning experiences and establish and communicate clear objectives for all learning activities.

This is an at- will position for the 2025-26 Academic year

Salary Range: $45,000-$79,500 depending on education and background

Mullen reserves the right to pay more or less than the posted range

Essential Job Functions:

Catholic and Lasallian Identity

• Understands, emphasizes and supports the Lasallian and Catholic nature of the school at all times and through all responsibilities and programs.

• Models the role of teacher to promote student behavior that is supportive, and conducive, to the implementation of the school’s instructional programs and goals.

• Exemplifies and upholds the expectations and actions of Lasallian professionalism among all faculty.

Teaching

• Intentional focus on student achievement.

• Stimulate inquiry and engagement through project-based instruction

• Prepare lessons based upon backwards design

• Grade student work, and maintain/update grades

• Build and maintain positive relationships with students and instructional teams

• Utilize effective research-based instruction and evaluation

• Utilize both formative and summative assessment for student mastery

• Communicate effectively with students and families

• Work outside the normal schedule periodically in collaboration with colleagues

• Demonstrate competency in integrating technology into classroom teaching

• Demonstrated competency of collaborative work

Qualifications:

• Bachelor’s degree in Mathematics is required; Master’s degree is preferred

• Teaching certificate in Math

• Strong commitment and desire to work with youth and adults in a collaborative environment

• Enjoy the challenge of implementing new teaching methods and educational tools in an ever changing and strategic environment

• Ability to utilize technology and integrate the use of technology to instruct and provide feedback on student's performance and development

• Life-long learner, optimistic, flexible, and passionate about helping all students reach their potential

• Open to change and possess skills that promote student achievement and growth.

Mullen offers a competitive benefits package to include health insurance and partial paid dependent premiums, employer paid defined benefit retirement plan, employer 403(b) contribution, employer paid disability and life insurance, cafeteria plan, and paid time off.

Application Deadline: September 19, 2025

Submit cover letter, resume, and three references to hr@mullenhigh.com