The researchers make estimates by
comparing charter school students to «virtual twins» — students who look similar on paper — enrolled in district schools.
The study's methodology addresses that issue by
comparing charter school students with students of traditional schools who applied for charter spots but did not get them.
Stanford University researchers
comparing charter school students» growth with that of similar peers in district schools found a striking charter school advantage in most cities.
Not exact matches
The U.F.T. held three «emergency» meetings with its members and parents on Thursday, ran a full - page anti-Cuomo advertisement in the Daily News, and released an extensive report claiming, among other things, that
charter schools don't enroll enough high - needs
students compared to their district
school counterparts.
At the same time,
students with disabilities comprise 17 percent of the
charter school enrollment
compared to the 27 percent district average, the report found.
The IBO study estimated the per
student cost for
charters located in city facilities was $ 16,011
compared to $ 16,660 for district public
schools — or $ 449 less.
A new study says that on average, New York City
charter school students show growth equal to 23 extra days of learning in reading and 63 more days in math each year,
compared with similar
students in traditional public
schools.
Around 50 to 60 percent of traditional
charter school students are Black,
compared to approximately 10 percent in online
charters and 12 percent in traditional public
schools.
The researchers
compared two groups of high
school students from low - income neighborhoods in Los Angeles — 521
students who were offered admission to high - performing public
charter schools through the district lottery, and 409 who were not.
In Denver, four years after entry in kindergarten, 65 percent of
students with IEPs remain in their original
charter school,
compared to 37 percent of
students who began in a district
school.
In particular, we take advantage of the lottery - based admissions process for
charter schools to
compare the academic performance of two groups of
students: those who wanted to attend a
charter school and were randomly admitted and those who wanted to attend but were not admitted and remained in traditional public
schools.
In New York City, four years after entry in kindergarten, 74 percent of
students with IEPs remain in their original
charter school,
compared to 69 percent of
students who began in a district
school.
What we found is that,
compared with other
students in the traditional public
schools,
charter school applicants are more likely to be black and poor but are otherwise fairly similar.
The basic strategy we use to evaluate the effect of
charter schools on
student achievement is to
compare students who are awarded a seat in a
charter school through a lottery with
students who enter the lottery but are not awarded a seat.
Using a metropolitan area as point of comparison allowed us to consider segregation within a smaller geographical area —
compared to our state - level analysis — where
students can conceivably choose to attend either traditional public or
charter schools.
Fifty - two percent of city
charter school students were in 90 - 100 % minority
schools,
compared to only 34 % of traditional public
school students — a difference of eighteen percentage points, very similar to the overall difference of twenty percentage points between the two sectors of
schools (Table 22 on p. 63 of our report).
While the national, state, and metro area analysis comprised the bulk of our report, we did, in fact, examine the segregation of
students in
charter and traditional public
schools by geography —
comparing students in these
school sectors within cities, suburbs, and rural areas.
Four Corners
charter students do well on NAEP, even when
compared to public
school students in Massachusetts, the highest - performing state.
Because the oversubscribed
charter schools in our sample admit
students via random lotteries,
comparing the outcomes of lottery winners (most of whom enrolled in a
charter school) and lottery losers (most of whom did not) is akin to a randomized - control trial of the kind often used in medical research.
It is difficult to pin down the relative quality of
charter and district
schools with confidence without studies that use admissions lotteries to
compare the achievement of
students who win
charter -
school admission to those who don't.
To
compare these active parental choices to the forced segregation of our nation's past (the authors of the report actually call some
charter schools «apartheid»
schools) trivializes the true oppression that was imposed on the grandparents and great - grandparents of many of the
students seeking
charter options today.
The Mathematica study of
charter middle
schools, just released by the U. S. Department of Education, finds no achievement gains within two years for
students who won the
charter lottery as
compared to those who did not.
We modified the CRP analysis by
comparing the percentage of
students in hypersegregated minority
charters within the central city of each CBSA to the percentage of
students in hypersegregated minority traditional public
schools within the same central city.
According to a rigorous Stanford study,
students in the D.C.
charter sector learn several additional months in reading and math annually
compared to similar
students in D.C.'s district
schools.
This reflects the fact that magnet
schools are very large on average — 798
students, as
compared to 380 in
charters.
About 45 percent of BPS
students come from homes where a language other than English is spoken,
compared to 21 percent in Boston
charter schools.
The CREDO report found that
students in Boston
charter schools gain the equivalent of 259 additional days of instruction in math and 245 days in reading
compared to their counterparts in traditional district
schools.
Employing this method, we could
compare the levels of segregation for the
students in
charter schools to what they would have experienced had they remained in their residentially assigned public
schools.
For example, in Denver four years after entry in kindergarten, 65 percent of
students with IEPs remain in their original
charter school,
compared to 37 percent of
students who begin in a district
school.
HMK traced
students who were «lotteried out» into the traditional public
schools and
compared their subsequent performance to those who had entered the
charter schools.
The CREDO study asks how well a typical
charter school student across the sixteen separate state policy environments does
compared to the counterfactual of attending a traditional public
school.
Our analysis
compares the performance of
students who win the lottery and attend one of the G&T magnet programs to those who lose the lottery and either attend a neighborhood G&T program in the district, a magnet
school based on a different specialty, or a
charter school.
The HMK study investigates how well
charter school students do when attending
schools popular enough with parents to be oversubscribed
compared to attending a traditional NYC public
school.
The lottery process allowed the researchers to
compare the performance of
students who won the lottery with those who lost the lottery and either attended a neighborhood G&T program, a
charter school, or an alternative magnet
school.
For example, under the CRP method, 91.2 percent of the
charter students in the DC CBSA are in hypersegregated minority
schools, as
compared to just 20.9 percent of the
students in traditional public
schools.
According to the authors» own numbers in Table 20, more than half (56 percent) of
charter school students attend
school in a city,
compared to less than one - third (30 percent) of traditional public
school students.
Another research team, led by Josh Angrist and Parag Pathak, directors of the
School Effectiveness and Inequality Initiative at MIT, compared «long - term outcomes» of Boston charter - school students to outcomes for BPS students who had entered charter - school admission lotteries (see Figu
School Effectiveness and Inequality Initiative at MIT,
compared «long - term outcomes» of Boston
charter -
school students to outcomes for BPS students who had entered charter - school admission lotteries (see Figu
school students to outcomes for BPS
students who had entered
charter -
school admission lotteries (see Figu
school admission lotteries (see Figure 2).
This paradox is most vivid when
comparing students who attend «no excuses»
charter schools and those who attend open - enrollment district
schools.
Instead of asking whether all
students in
charter schools are more likely to attend segregated
schools than are all
students in traditional public
schools, we should be
comparing the racial composition of
charter schools to that of nearby traditional public
schools.
Recently released data show that 76 percent of BPS
students are black or Hispanic,
compared to about 84 percent of
charter school students.
In New York City, four years after entry in kindergarten, 74 percent of
students with IEPs remain in their original
charter school,
compared to 69 percent of
students who begin in a district
school.
To address the issue of
student self - selection into
charter schools, the researchers
compared high
school and postsecondary outcomes for 8th - grade
charter students who entered
charter high
schools with outcomes for 8th - grade
charter students who entered conventional public high
schools, ensuring that both the comparison group and the treatment group of
students were once
charter choosers.
For this reason, we estimate
charter school effects by
comparing students who are more likely to attend a
charter school because they live closer to one to those less likely to attend a
charter school because it is less convenient.
In Florida, 57 percent of
students who went from a
charter school in 8th grade to a traditional public
school in 9th grade received a standard high
school diploma within four years,
compared to 77 percent of
charter 8th graders who attended a
charter high
school.
However, simple tests we conducted, based on changes in the average previous - year test scores of
students in
schools affected and unaffected by
charter -
school competition, suggest that, if anything, the opposite phenomenon occurred:
students switching from traditional public to
charter schools appear to have been above - average performers
compared with the other
students in their
school.
The findings, which will be published in the spring issue of Education Next and are now online at www.EducationNext.org, show that
students attending
charter high
schools in Florida and Chicago have an increased likelihood of successful high -
school completion and college enrollment when
compared with their traditional public high
school counterparts.
In Chicago, the gap in college attendance is smaller but still sizable: among the study population of
charter 8th graders, 49 percent of
students at
charter high
schools attended college,
compared to 38 percent of
students at traditional public high
schools.
That is, we
compare high
school and postsecondary outcomes for 8th - grade
charter students who entered
charter high
schools (the treatment group) with outcomes for 8th - grade
charter students who entered conventional public high
schools (the comparison group).
A 2010 Ball State University report titled «
Charter School Funding: Inequity Persists» calculated that Arizona district
schools received about $ 9,600 per
student in 2006 — 07
compared to $ 7,600 per
student in
charters.
These
students are much more likely to attend Detroit's traditional public
schools than
charters: 18 percent of DPS
students have IEPs
compared to 10 percent in
charter schools.