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OXNARD, Calif. — On a Wednesday morning in December, Dale Perizzolo’s math class at Adolfo Camarillo High School was anything but quiet. Students chatted about the data analysis they performed on ...

Although Carnegie Learning’s Cognitive Tutor Algebra 1 is the only blended learning curriculum Mary Brierley has ever taught, she trusts its quality. “It’s made me change the way I question students, ...