In this blog post, we’re breaking down one of the most important ideas in instructional leadership: using data to drive decisions. Whether you’re preparing for the SLLA 6990, Praxis 5412, or any educational leadership exam, instructional leadership is ultimately about how well you analyze data, support teachers, and build leadership capacity within your school.
Instructional Leadership Starts With Data
Just like strategic leadership, instructional leadership always begins with data. Before making decisions, effective leaders collect and analyze relevant information to understand what is truly happening in their school. On leadership exams, this is often the first step test makers expect you to identify.
Data can come from many sources. Quantitative data includes test scores, proficiency rates, and results disaggregated by subgroup or specific skills. This type of data helps leaders identify trends, gaps, and areas of need within the school community.
Quantitative vs. Qualitative Data in Schools
While numbers matter, instructional leaders also rely heavily on qualitative data. Classroom walkthroughs, observations, and anecdotal notes provide insight into instructional practices happening in real time. Although walkthrough data represents a snapshot, it is powerful because it shows what teaching and learning actually look like inside classrooms.
When leaders combine qualitative data from observations with quantitative data such as assessment scores, they gain a much clearer and more accurate picture of instructional strengths and challenges across the school.
Using Data to Support New Teachers
Data-driven leadership is not about pointing out weaknesses—it’s about building capacity. For example, if data shows that new fourth-grade teachers are struggling with student performance in inference or text analysis, especially with English learners, the solution is not top-down correction.
Instead, effective instructional leaders use shared leadership. They bring in teacher leaders and peer mentors to provide job-embedded, teacher-led professional development. This approach feels supportive rather than intimidating and aligns with best practices emphasized on leadership certification exams.
Building Teacher-Led Professional Development
Instructional leadership prioritizes professional development that is designed by teachers and led by teachers. Leaders guide the process, but teachers collaborate through PLCs, peer observations, feedback cycles, and reflection. This model empowers educators, strengthens instructional practice, and builds long-term leadership capacity within the school.
When English learners are part of the data conversation, leaders must be especially thoughtful. Low performance in analysis does not reflect low thinking ability—it often reflects the challenge of learning in a new language. Effective professional development addresses this distinction and equips teachers with strategies that support both language development and higher-order thinking.
Monitoring Progress and Adjusting Instruction
Data-driven instructional leadership is ongoing. Leaders continuously collect incremental data throughout the year to monitor progress and determine whether professional development efforts are working. If progress is evident, strategies can be expanded. If not, leaders revisit the data, disaggregate further, and adjust supports as needed.
This cycle of implementation, monitoring, and refinement is messy but essential—and it’s exactly what leadership exams are looking for in strong answer choices.
Why This Matters for Leadership Exams
On the SLLA 6990 and Praxis 5412, strong responses consistently highlight shared leadership, teacher-led professional development, job-embedded coaching, and ongoing data analysis. Leaders don’t “fix” problems alone—they empower others to lead, collaborate, and improve instruction together.
By keeping data at the center of decision-making and focusing on building leadership capacity, you’ll not only perform better on your certification exams but also become a more effective instructional leader in real schools.
If you’re preparing for the SLLA 6990 or Praxis 5412 and want deeper support, be sure to explore comprehensive study guides, audio courses, and full exam prep resources designed specifically for aspiring school leaders.
📺 Watch the full video for exam-focused instructional leadership strategies in action 📺