Sonoma County Office of Education

Data & Assessment

Summative Data

Student performance data collected after instruction has taken place is frequently referred to as summative data. School districts and states frequently use summative data to evaluate instruction, gauge progress, and analyze demographic trends to improve student learning. This page lists common metrics used to gather summative data among schools in Sonoma County.

SBAC Reporting System | Overview Document (pdf) | Overview Video
Smarter Balanced has issued a preview of what their report system will look like for educators and parents/students. The SBAC will have four Achievement Level Descriptors (ALDs) in its reports. Outcomes will be reported as Level 1, Level 2, Level 3, and Level 4. The ALDs are text descriptions of the knowledge, skills, and processes that are demonstrated by students in each level. Learn more about achievement levels and the SBAC website.

CELDT Data Analysis | Link
This resource page, Electronic Tools for CELDT Analysis, was developed to help districts access and analyze the electronic data from the annual CELDT administration. It includes a video showing how the CELDT data can be analyzed using Microsoft Excel, resource files and guides, and related links.

Data DashboardData Dashboard | Link
The Data Dashboard is a feature on SCOE website that provides school-by-school statistics over multiple years. The Dashboard allows users to look up student demographics, percent proficient, and similar school rankings for a school and see the data over a five-year period, 2009 to 2013.

SchoolChartsSchoolCharts | Link
SchoolCharts is a free assessment and accountability charting system. Schools can chart their Academic Performance Index (API), Adequate Yearly Progress (AYP), California Standards Tests (CST), California High School Exit Exam (CAHSEE), and California English Language Development Test (CELDT) results and compare them with other schools in Sonoma County and across the state. Charts and tables have “drag and drop” features, making them easy to include in word processing applications and presentation software. Schools can access this resource by creating an account at the SchoolCharts website.

State Reporting Sites
California High School Exit Exam (CAHSEE)
Early Assessment Results (EAP)
Standardized Testing and Reporting (STAR)


  • Rick Phelan, Director, Technology for Learners
    (707) 524-2847,