Continuous School Improvement Plan
Frederick County Public Schools is dedicated to continuous improvement. Our school principals lead efforts to plan, implement, and review their goals, using a variety of data to make sure we’re always moving in the right direction. School and division plans are monitored for progress and updated quarterly to support our commitment to our students and their families.
This information keeps families informed about our progress and the status of school goals. You’ll find updates and insights as we work together to improve student learning and school performance.
School Profile Information
School: Millbrook High School
Principal: Joanne Altendorf
Enrollment: 1,560
School Vision Statement
Millbrook High School is a student-centered community focused on delivering relevant, high-quality education to promote a lifelong desire for learning that will enable each student to meet the challenges of an ever-changing society.
School Mission Statement
Millbrook High School fosters a culture where all individuals are valued and respected by focusing on meaningful, engaging learning experiences while promoting pride in ourselves, school, and community.
Goal #1
By August 2026, SOL pass rates in Math, Reading, and Science for all students, as well as students with disabilities and English Language Learners, will increase by 5%.
| Date | Status | Progress Narrative |
|---|---|---|
| November 2025 | In Progress |
PLC structures and materials were created and implemented in each department. Structures and materials include, but are not limited to, PLC minute agenda guidelines, meeting times, norms, roles, initial student data analysis, professional development point system, and continued development through department meetings. PLC teams administered common summative assessments throughout the first quarter, and the results are listed below. |
| March 2026 | ||
| June 2026 |
|
Goal #2
By May 2026, Millbrook High School will work to achieve a 10% improvement in staff satisfaction scores, specifically in school participation, as evidenced in the Climate Survey Data.
| Date | Status | Progress Narrative |
|---|---|---|
| November 2025 | In Progress |
CSIP meetings started with four staff members; we now have nine involved. Four staff members checked in with the principal for “After the bell” on September 23, 2025. This is a space where staff members can just drop in and talk about whatever they need. An average of 30 staff members complete the wellness check each week. Staff displayed appreciation for the Apple Bar morale booster |
| March 2026 | ||
| June 2026 |
Goal #3
By May 2026, teachers will implement literacy strategies for before, during, and after reading, utilizing content-specific, complex texts in their classes to improve students' reading levels, as evidenced by IXL assessment data.
| Date | Status | Progress Narrative |
|---|---|---|
| November 2025 | On Track | Professional development was provided at the October faculty meeting to share our students' reading levels and to provide resources to help adjust reading excerpts to the appropriate level for each student. Additionally, examples of how to embed reading strategies in all content areas were reviewed. Finally, teachers completed a Google Form identifying their current literacy practices. |
| March 2026 | ||
| June 2026 |
Goal #4
By May 2026, Millbrook High School will increase family engagement scores on a CSIP team-created survey by 15% in the areas of communication, participation, and relationships.
| Date | Status | Progress Narrative |
|---|---|---|
| November 2025 | In Progress |
Academic Awards Assembly on September 25, 2025: 384 awards were given to students who earned a cumulative GPA of 3.5 or higher during the 2024-25 school year. Fall Pioneer Spirit Award Assembly on October 15, 2025: 78 awards were given to students for demonstrating positive character traits. Parent Square:
Pioneer Pulse Weekly Newsletter: Aug 15, Aug 22, Aug 29, Sept 5, Sept 12, Sept 19, Sept 26, Oct 3, Oct 10, Oct 17, Oct 24 |
| March 2026 | ||
| June 2026 |
For more information about Millbrook High School's Continuous Improvement Plan please contact Joanne Altendorf, Principal, at 540-545-2800