Alan Haskvitz has assembled a list of sites to help prepare students for testing.  Many also explain what standards-based assessments are like.

Arizona Academic Standards
By grade level, a good place to look for the standards-based assessments already done.  All you need to do is modify them for your state standards.

Assessment Resources from NEGYSTC
Sample test questions

Designing a Sustainable Standards-based Assessment System
This article describes organizational elements and addresses how these elements influence the design of a sustainable standards-based assessment system.

Glossary of Useful Assessment Terms

A Guide to Standards-based Assessment
A printable from the NCLB period, but well worth reading

Literature Circles

Making the Switch -- Getting Started with Standards-based Assessment
A short article and table

National Center on Student Progress Monitoring (NCSPM) Web Resources
Locate articles and PowerPoints on  student progress monitoring, curriculum-based measurement, applying decision making to IEPs and other researched-based topics.

OSEP Ideas That Work
Government site includes assessment for students with disabilities.

Rubrics
Try all types of sites to help you build them and models.

Special Education -- Grade K-12 Resources
Excellent site with a huge array of ideas, including standards-based assessment

Standards-based Assessment
An overview of various assessments, including standards-based assessments -- this must-read site lists both pros and cons of each type of assessment.

Standards-based Assessment:  A model

Standards-based Classroom Assessment
Check out this Q and A.

Standards-Based Instruction
A guide to creating a lesson

You Don’t Need to Change How You Teach to Improve Assessment Scores