In the Fall of 2010, the Bureau of Indian Education (BIE) approached Northwest Evaluation Association (NWEA) to commission a report of system-wide performance for their first full school year of testing as part of the BIE-NWEA Project. Even with only a single year of testing data, some patterns were identified and they are listed in this report.…

One of the main goals of the No Child Left Behind Act (NCLB) was to hold schools accountable for ensuring that all students are meeting high academic standards, and to eliminate disparities in academic performance between traditionally advantaged and disadvantaged groups of students. One could argue that this focus on holding schools accountable…

The difference between the academic performance of poor students and wealthier students and between minority students and their non-minority peers is commonly known as the achievement gap. The current study examines the achievement gap using a large sample of students from a wide variety of school districts across the United States. It examines…

Each year, Montana students participate in testing as part of the state's assessment program. This past spring, students in grades 4, 8, and 10 took Montana Comprehensive Assessment System (MontCAS) tests in reading and mathematics. These tests serve as an important measure of student achievement for the state's accountability system. Results from…

Each spring, Arizona students participate in testing as part of the state's assessment program. Elementary and middle school students in grades 3 through 8 take the Arizona Instrument to Measure Standards--Dual Purpose Assessment (AIMS DPA) in reading, writing, and mathematics. These tests serve as an important measure of student achievement for…

This study investigated the relationship between the scales used for the ISTEP+ assessments and the RIT scales used to report performance on Northwest Evaluation Association tests. The RIT scale was developed using Rasch scaling methodologies. RIT-based tests are used to inform a variety of educational decisions at the district, school, and…

Recently NWEA completed a project to connect the scale of the Maryland School Assessment (MSA) with NWEA's RIT scale. One large school system participated in the study, using test information from a group of over 24,000 students enrolled in third, fourth and fifth grade who took both the MSA and NWEA reading tests in the spring of 2005.…

This study investigated the relationship between the scales used for the NMSBA assessments and the RIT scales used to report performance on Northwest Evaluation Association tests. The study estimated the changes in reading and mathematics RIT score equivalents for the NMSBA performance levels in those subjects. Test records for more than 17,000…

This study investigated the relationship between the scales used for the NDSA assessments and the RIT scales used to report performance on Northwest Evaluation Association tests. The study estimated the changes in reading and mathematics RIT score equivalents for the NDSA performance levels in those subjects. Test records for more than 9,000…

This report represents the first in a yearly series of studies investigating the impact of the No Child Left Behind act on the achievement of students in the United States. This series will use achievement information from a broad sample of students and schools to provide evidence about the changes that have occurred since the law passed. This…

Recently the Northwest Evaluation Association (NWEA) completed a project to connect the scale of the MCA and BST with NWEA's RIT scale. Six Minnesota systems participated in the study, using test information from a group of over 13,000 students enrolled in third, fifth, and eighth grades who took these Minnesota Assessments and NWEA tests in the…

Many students who attend school in California also take paper or computerized-adaptive tests developed in cooperation with the Northwest Evaluation Association (NWEA). These tests report student performance on a single, cross-grade scale, which NWEA calls the RIT scale. This scale was developed using Rasch scaling methodologies. RIT-based tests…

Recently Northwest Evaluation Association (NWEA) completed a project to connect the scale of the MEA with NWEA's RIT scale. Six Maine school systems participated in the study, using test information from a group of over 800 students enrolled in fourth and eighth grade who took both the MEA and NWEA reading and mathematics tests in the spring of…

Each year, Nevada students in grades 3, 4, 5, and 7 participate in testing as part of the Nevada assessment program. Students in grades 3 and 5 take the Nevada Criterion Referenced Assessment (Nevada CRT) while students in grades 4 and 7 take the Iowa Test of Basic Skills (ITBS). These tests serve as an important measure of student achievement for…

Each year, Pennsylvania students participate in testing as part of the Pennsylvania assessment program. Students in grades 5, 8, and 11 take tests in reading and math while those in grades 6, 9 and 11 are assessed in writing. These tests serve as an important measure of student achievement for the state's accountability system. Results from these…