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In 2021, visitors were from every US state, the District of Columbia, and US territories!
 visitors (so far) are highlighted:  
 AK,  AL, AR,  AZ,  CA, CT, CO, DE, District of Columbia,  FL,  GA, HI, IA,    ID,   IL, IN,   KS,    KY,   LA, MA, MD,  ME,  MI, MN, MO, MS, MT, NC, ND, NE, NJ,  NH,  NM, NY, NV, OH,   OK,   OR,  PA,  RI, SC,   SD,     TN,   TX,  UT,  VA, VT, WA, WI, WY, & WV

Below is the list of 2021 visitors from around the world. 2022 visitor locations are highlighted below: 
 Albania, AlgeriaAmerican Samoa, Argentina, Australia (Australian Capital Terr.,   New South Wales, Northern Territory,    South Australia, Queensland, Tasmania, Victoria, Western Australia), Austria, Bahrain, Bangladesh, Belgium, Belarus, Botswana, Brazil, Bulgaria,  Cambodia,  Canada (Alberta, British Columbia, Ontario, Manitoba,  New Brunswick,  Newfoundland and Labrador, Nova Scotia, Prince Edward Island,  Quebec,   Saskatchewan, Yukon), Chile,  China,  Columbia, Costa Rica,  Cyprus, Czechia, Curacao, Denmark, Ecuador EgyptEthiopia,  French Polynesia,  Finland,    France,     Germany,   Greece, Guam,  Honduras, Hong Kong, Hungary, Indonesia, Ireland, Italy,  India, Indonesia, Iraq, Israel, Jamaica,  Japan, Jordan,  Kenya,  Kuwait,  Lebanon, Lithuania, Luxembourg, Malaysia, Malta, Mauritius, Mexico, Mongolia, Morocco, Netherlands,  New Zealand, Nicaragua,  Nigeria, North Macedonia, Norway, Oman, Pakistan, Palau, Peru, Philippines, Poland, Portugal, Puerto Rico,  Qatar,   Romania,  Russia,  Saint Lucia,  Saudi Arabia, Senegal, Serbia,  Singapore,    South Africa,   South Korea, Spain, Sri Lanka, St Vincent and Grenadines, Sweden, Switzerland, Taiwan, Thailand, Trinidad and Tobago,  Turkey, UK,   Uganda,  Ukraine, United Arab Emirates,  US Virgin Islands - St. Croix, St. John, St. Thomas,  Vietnam,  & Zimbabwe!

The Hess Cognitive Rigor Matrix

Today, schools and testing organizations across the US and other countries use the Hess Cognitive Rigor Matrix in training materials for their professional development and curriculum and assessment work.


So where did the Hess CRM come from?

Learning Progressions

What are learning progressions? Learning progressions, progress maps, developmental continuums, and learning trajectories are all terms that have been used in the literature over the past decade to describe research-based descriptions of how learning typically develops over time.

Read more about the development of the Learning Progressions Frameworks

Formative & Performance Assessment

Why take a formative assessment seriously? There is ample evidence that the changes involved in teacher practices will raise the scores of students on large-scale standardized tests. The changes have been shown to be feasible for teachers to implement successfully.  The changes can be made in small increments over time.