This article reports trends and implications of interdisciplinary teaming practices in middle level schools, based on findingsfrom a national survey. Noting that nearly 80% of schools currently implement teaming the authors challenge principals and teachers to move beyond the simple formation of teams to the creation of an infrastructure that supports highperforming teams and thereby promotes improved student achievement.
Mesoscopic structural features observed in cores from Sites 541 and 542 are associated with biostratigraphically defined faults. At Site 541, a fault at 262 m occurs within an interval characterized by probable stratal disruption and randomly oriented, semipenetrative, slickensided slip surfaces. Disrupted Miocene hemipelagic mud was emplaced over Pliocene nannofossiliferous mud along a sharply defined reverse fault visible at 276 m. Thin sections and SEM photomicrographs show that platy clay minerals in the penetratively deformed, smectite-rich Miocene mud acquired a strong planar preferred orientation. The lower 70 m of core from Site 541 is disrupted, characterized locally by a scaly foliation, with more lithified tectonic inclusions of variably colored radiolarian mudstone. These deformed Miocene radiolarian muds were sampled from a major seismically defined subhorizontal décollement. Slickensided surfaces and probable stratal disruption in the lower part of Hole 542A are probably associated with a subhorizontal thrust zone immediately above the main décollement.
An online survey of more than 1,400 middle level leaders (grades 5-9) was conducted as part of a national study. This article reports the findings; compares the results with previous studies conducted in 1965, 1980, and 1992; and discusses the implications and recommendations for recruiting initial training, and continuing professional development offuture middle level principals.
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