Long Term Substitute-Upper School Math & Science Teacher

Ascent Classical Academy of Northern Colorado; Windsor (CO); On-site; USD 42,000 - 64,000; Full time

Job summary

Ascent Classical Academy of Northern Colorado seeks a Long Term Substitute-Mathematics and Science teacher for Upper School (7th–12th). You will create lessons within our Hillsdale-funded K12 framework, delivering rigorous instruction and fostering virtue.

The role emphasizes classroom management, collaboration with colleagues, engaging parents weekly, and participation in professional development while upholding confidentiality and a supportive learning environment.

Qualifications

• Experience teaching high school math and science.
• Willingness to receive Hillsdale K12 program training.
• Commitment to liberal arts education and core virtues.
• Ability to adhere to school policies and background checks.

Responsibilities

• Prepare unit and lesson plans aligned with K12 Program Guide.
• Teach and mentor Upper School students using classical methods.
• Grade assignments and provide timely feedback.
• Monitor progress and tailor support for learners.
• Collaborate with Student Services on IEPs/504s.
• Communicate weekly with parents and maintain records.
• Support daily school operations and participate in PD.
• Uphold confidentiality and professional relationships.

Job description

Position Summary:

The Long Term Substitute-Mathematics and Science teachers for Upper School (7th through 12th graders) create their own lessons within the framework set by our content-rich curriculum, in collaboration with colleagues and in partnership with Hillsdale College's Barney Charter School Initiative. ACANC is dedicated to the intellectual and moral betterment of our students and encourages teachers to take their own moral and intellectual improvement seriously as part of a supportive and excellence-driven culture. The teacher is responsible for delivering high-quality instruction and fostering a positive, supportive learning environment. This role includes guiding students through structured, content-rich lessons in a specific discipline, nurturing intellectual curiosity, and instilling moral and civic virtues. Teachers provide students with a robust educational experience during each class period, ensuring they develop academically and personally. In addition, teachers are expected to maintain clear expectations, demonstrate subject matter expertise, and care for the individual growth of each student.

Essential Duties & Responsibilities:

• Prepare unit and lesson plans for all courses in alignment with Hillsdale College's K12 Program Guide for each school year
• Teach and mentor students, utilizing classical pedagogy methods
• Assign, collect, grade, and return graded work in a timely manner
• Continuously monitor student progress and self-evaluate how best to support effective student learning
• Proactively identify struggling or advanced students to provide additional support or academic extensions
• Collaborate with Students Services team to meet requirements of special educational plans, such as IEPs, 504s, and others
• Communicate regularly, usually weekly, with parents
• Assist in daily operations of the school (e.g., taking attendance, supervising student arrivals, passing periods in hallways, lunchtime and recess supervision) on a shared schedule
• Participate in professional development as offered by ACANC and Hillsdale College's K12 Office
• Maintain confidentiality in student records
• Maintains a collegial, professional relationship with students, parents, and colleagues as a partner in the community of learners
• Performs other related duties as directed

• Cultivating virtue through instruction, mentorship, and programming
• Participating in Upper School House System as faculty mentor
• Fully participate in all required in-service, professional development, and end-of-year wrap-up days, maintaining active engagement and presence throughout.
• Maintaining professionalism in conduct and communication, striving to exemplify our core virtues

Position Requirements:

• Strong background in relevant content areas with a willingness to receive specific training
• Commitment to the policies, mission, and vision of Ascent Classical Academy Charter Schools, Inc.
• Conviction in the values of a rigorous liberal arts education
• Commitment to model moral character in line with the school's core virtues
• Adherence to all ACACS policies, including but not limited to the Employee Handbook, Family Handbook, and applicable school and board policies
• Proficiency in English verbal and written
• Proficiency in a variety of teaching strategies and techniques to accommodate diverse learning styles and abilities
• Excellent interpersonal, oral, and written communication skills with the ability to effectively articulate information and issues
• Strong leadership skills with the ability to motivate and inspire students to achieve their personal best
• Proven ability to work in a fast-paced and deadline-oriented environment with superior organization and computer skills
• Ability to develop positive and professional relationships with students, parents, colleagues, and team members
• Ability to provide excellent customer service while maintaining confidentiality and professionalism
• Creative problem-solving skills and adaptability to challenges
• Patience, reliability, and a positive attitude
• Demonstrate consistent and reliable attendance by adhering to assigned work hours, reporting on time, and following proper procedures for absences or tardiness to ensure minimal disruption to students, colleagues, and school operations.
• Other duties as assigned

Physical Requirements:

• Must be able to lift up to 15 pounds
• Must be able to traverse classroom and building
• Prolonged periods of sitting at a desk, working on a computer, or standing

• Must be able to monitor indoor and outdoor activities

Mandatory Background Checks: In alignment with our commitment to student safety, all candidates are required to undergo a comprehensive background check, which includes reviewing criminal records and may require fingerprinting. Please be aware that certain findings in the background check may disqualify a candidate from employment in a school setting. These may include, but are not limited to:

• Convictions for violent crimes, such as assault or domestic violence.
• Convictions for offenses against children, including abuse or endangerment.
• Drug-related offenses, particularly those involving the distribution or trafficking of controlled substances.
• Certain felony convictions, depending on their nature and recency.
• History of certain misdemeanors that may raise concerns about a candidate's suitability for working in an educational environment. Submission of this application signifies your consent to this process and understanding of this criteria

Verification of Qualifications: For roles that demand specific qualifications or certifications (such as teaching credentials), you will be asked to provide verifiable proof. We also conduct reference checks to validate your professional history and qualifications

Adherence to Colorado Education Laws: Our recruitment process strictly follows the guidelines and regulations set forth by the Colorado Department of Education. We expect all applicants to be familiar with and adhere to these standards.

This employer utilizes E-Verify