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CHECK THE FACTS: Few States Set World-Class Standards
By Paul E. Peterson and Frederick M. Hess
In fact, most render the notion of proficiency meaningless
As
the debate over the reauthorization of No Child Left Behind (NCLB)
makes its murky way through the political swamp, one thing has
become crystal clear: Though NCLB requires that virtually all
children become proficient by the year 2014, states disagree on the
level of accomplishment in math and reading a proficient child
should possess. A few states have been setting world-class
standards, but most are well off that mark—in some cases to a
laughable degree.
In this report, we use 2007 test-score
information to evaluate the rigor of each state’s proficiency
standards against the National Assessment of Educational Progress
(NAEP), an achievement measure that is recognized nationally and
has international credibility as well. The analysis extends
previous work (see “Johnny Can Read...in Some States,” features, Summer 2005,
and “Keeping an Eye on State Standards,” features, Summer 2006)
that used 2003 and 2005 test-score data
and finds in the new data a noticeable decline, especially at the
8th-grade level. In Figure 1, we rank the rigor of state
proficiency standards using the same A to F scale teachers use to
grade students. Those that receive an A have the toughest
definitions of student proficiency, while those with an F have the
least rigorous.
Measuring Standards
That states vary widely in their definitions
of student proficiency seems little short of bizarre. Agreement on
what constitutes “proficiency” would seem the essential
starting point: if students are to know what is expected of them,
teachers are to know what to teach, and parents are to have a
measuring stick for their schools. In the absence of such
agreement, it is impossible to determine how student achievement
stacks up across states and countries.
One national metric for performance does
exist, the National Assessment of Educational Progress. The NAEP is
a series of tests administered under the auspices of the U.S.
Department of Education’s National Center for Education
Statistics. Known as the Nation’s Report Card, the NAEP tests
measure proficiency in reading and math among 4th and 8th graders
nationwide as well as in every state. The NAEP sets its proficiency
standard through a well-established, if complex, technical process.
Basically, it asks informed experts to judge the difficulty of each
of the items
in its test bank. The experts’ handiwork
received a pat on the back recently when the American Institutes for
Research (AIR) showed that NAEP’s definition of
“proficiency” was very similar to the standard used by
designers of international tests of student achievement. Proficiency
has acquired roughly the same meaning in Europe and Asia, and in the
United States—as long as the NAEP standard is employed.
This is not to say students are proficient
either in this country or elsewhere. According to NAEP standards,
only 31 percent of 8th graders in the United States are proficient
in mathematics. Using that same standard, just 73 percent of 8th
graders are proficient in math in the highest-achieving country,
Singapore, according to the AIR study. In other words, bringing
virtually all 8th graders in the United States up to a NAEP-like
level of proficiency in mathematics constitutes a challenge no
country has ever mastered.
Comparing the States
Three states—Massachusetts, South
Carolina, and Missouri—have established world-class standards
in math and reading as the goal for all students. Every other state
has established a lower proficiency standard, and some states (for
example, Georgia and Tennessee) declare most students proficient
even when their performance is miles short of the NAEP standard. By
setting widely varying standards, states render the
very notion of proficiency meaningless. If Billy
and Sally cannot read in South Carolina, they should not be able to
pass muster simply by crossing the state’s western border.
We gauge the differences among states by
comparing how students do on state assessments with how they
perform on NAEP tests. By comparing the percentage of students
deemed proficient on each, it is possible to determine whether
states are setting expectations higher, lower, or equal to the NAEP
standard. If the percentages are identical (or roughly so), then
state proficiency standards can be fairly labeled as
“world-class.” If state assessments identify many more
students as proficient than the NAEP, then state proficiency
figures should be regarded as inflated. In short, comparing state
assessment results to NAEP scores can help reveal whether states
are giving parents and voters the real scoop about where the
state’s children stack up when measured against world-class
benchmarks.
In Figure 1, we give Massachusetts, Missouri,
and South Carolina an A for establishing rigorous expectations
regarding what proficient students must know and be able to do.
Note that a grade of A does not indicate students are performing at
the highest level. Rather, the high grade indicates that the three
states have set a high bar for students to reach if they are to be
deemed proficient. So, for example, only 25 percent of 8th graders
in South Carolina were deemed proficient on both the state reading
test and on the NAEP reading test—an honest, if embarrassing,
reckoning of the education situation in the state.
The remaining 47 states (information is not yet
available for the District of Columbia) had distinctly lower
standards. Three states—Georgia, Oklahoma, and
Tennessee—expected so little of students that they received
the grade of F. The state of Georgia, for instance, declared 88
percent of 8th graders proficient in reading, even though just 26
percent scored at or above the proficiency level on the NAEP.
According to our calculations, Georgia 8th-grade reading standards
are 4.0 standard deviations below those in South Carolina, an
extraordinarily large difference. Thus, while students in Georgia
and South Carolina perform at similar levels on the NAEP, the
casual observer would be misled by Georgia’s reporting that
its students achieve proficiency at three times the rate that South
Carolina’s students do.
Twelve states—Alabama, Alaska, Idaho,
Illinois, Michigan, Mississippi, Nebraska, North Carolina, Texas,
Utah, Virginia, and West Virginia—received Ds because they
had pitched their expectations far below other states. Illinois set
its proficiency bar for 8th-grade reading at a level that is 1.01
standard deviations below the national average. If you believe
those who set the Illinois standards, 82 percent of its 8th graders
are proficient in reading, even though the NAEP says only 30
percent are.
In general, the states of the Northeast have
the highest standards, while the states of the South and Midwest
have the lowest. Western states fall in between.
A Downward Trend
There is some evidence of slippage in standards
since our original report card was published in 2005 (see Figure
2). In 8th-grade reading, for example, standards overall are down
by 0.2 standard deviations. This means that, in 8th-grade reading,
states are reporting a substantial improvement that is not evident
on the NAEP. The smallest amount of slippage was in 4th-grade math,
where standards fell by 0.06 standard deviations. Most of the
slippage at the 4th-grade level is due to the lower standards
adopted by those states that were initially slow in complying with
the NCLB accountability system; those that have had standards since
2003 have not altered them significantly. But at the 8th-grade
level, standards are falling across the board—in both reading
and math, and among both the states that had standards in 2003 and
the states that have only adopted them more recently.
We also see slight convergence among the
states. For example, the variation in 4th-grade math standards
narrowed 0.11 standard deviations between 2003 and 2007. The good
news is that differences among state standards are shrinking; the
bad news is that states are converging downward, not upward.
By and large, the changes that are taking
place in individual states are fairly small, perhaps so they do not
stir controversy. A few states, though, have made big adjustments
since 2003. Colorado and Texas have raised their proficiency bars
enough to warrant a grade one letter better than the one given
initially. Five states—Arizona, Illinois, Maine, Michigan,
and Wyoming—have lowered the bar enough that their grades
have dropped by a full letter.
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Grading Procedure
In 2003, 2005, and 2007, both state and NAEP tests
were given in math and reading for 4th- and 8th-grade students. The grades
reported here are based on the comparison of state and NAEP proficiency
scores in 2007, and changes for each are calculated relative to 2003. For
each available test, we computed the difference between the percentage of
students who were proficient on the NAEP and the percentage reported to be
proficient on the state’s own tests for the same year. We also
computed the standard deviation for this difference. We then determined how
many standard deviations each state’s difference was above or below
the average difference on each test. The scale for the grades was set so
that if grades had been randomly assigned, 10 percent of the states would
earn As, 20 percent Bs, 40 percent Cs, 20 percent Ds, and 10 percent Fs.
The grade given each state is based on how much easier it was to be labeled
proficient on the state assessment compared with the NAEP. For example, on
the 4th-grade math test in 2007, South Carolina reported that 41.4 percent
of its students had achieved proficiency, but 35.9 percent were proficient
on the NAEP. The difference (41.4 percent — 35.9 percent = 5.5
percent) is about 1.6 standard deviations better than the average
difference between the state test and the NAEP, which is 32 percent. This
was good enough for South Carolina to earn an A for its standards in
4th-grade math. The overall grade for each state was determined by taking
the average for the standard deviations on the tests for which the state
reported proficiency percentages.
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Two years ago, we could see small evidence for
a decline in standards but detected no race to the bottom. That is
still true for 4th graders. But 8th-grade standards, if not exactly
racing downward, are moving steadily away from world-class
standards. Those responsible for NCLB reauthorization, as they
struggle forward, should first and foremost establish a clear and
consistent definition of grade-level proficiency in reading and
math, even if it means giving up the cherished but decidedly
unrealistic goal of proficiency for all students by 2014.
Paul E. Peterson and Frederick M. Hess are
editors of Education
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