Many hours are lost to a combination of standardized assessments, test preparation,etc.

A survey of available instruction time at public schools across New Mexico has found that a third of the hours are lost to a combination of standardized assessments, test preparation, re-teaching distracted students, absences, disciplinary actions and other activities....

The study provided new statistical evidence that student achievement decreases as instructional time is consumed by other activities and said the state has no comprehensive system for keeping track of how much time is spent on learning.

About 10 days of instructional time is lost each year to preparations for standardized testing, the study said. Up to 2 percent of instructional time — about 21 hours of four school days — is lost to the administration of standardized student assessments, not including New Mexico’s PARCC exam. The PARCC test was often followed by extended recess hours, watching movies and playing games, the survey found...

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