better-click-to-tweet domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /sites/impactfl.org/files/wp-includes/functions.php on line 6114astra domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /sites/impactfl.org/files/wp-includes/functions.php on line 6114astra-addon domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /sites/impactfl.org/files/wp-includes/functions.php on line 6114This report estimated that in fourth and fifth grade math, switching to a top ranked textbook would translate to student achievement gains of 3.6 percentile points—larger than the improvement of a typical teacher’s effectiveness in their first three years on the job when they are learning to teach.
