The Data Quality Campaign (DQC), on the first anniversary of its launch, released a progress report highlighting states’ successes in building longitudinal data systems. Over the past year, the DQC, a national partnership to improve the quality, accessibility and use of data in education, has highlighted the power of developing and using longitudinal data systems as a key tool to improve student achievement. This intense focus on building and using data systems that follow individual students’ progress over time is bearing results:
*42 states report having a unique student identifier (an integral part of a longitudinal data system) in place, up from 37 last year.

*Nine states have eight or nine of the 10 essential elements the DQC has identified as necessary building blocks for a longitudinal data system. No state reports having all 10, but only six states have three or fewer.

*36 states have put in place an audit system to ensure quality data, which is one of the 10 essential elements the DQC identified.

*26 states indicate they have or are working on building data warehouses.

*28 states have some form of Web-based data and analysis tools available for local educators.
The progress made over the past year is encouraging, but there is still much work to do.
Attached for your information is a press release highlighting the survey results as well as the updated DQC brochure and white paper with the just-released 2006 Annual Survey of State Longitudinal Data Systems results. The updated survey results are available at

Please visit to access all of the campaign’s materials/tools and to learn more about the partnership.

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