The study found that, in IMPACT's first year,
a minimally effective rating had no clear effect on either a teacher's retention or their performance.
However, following the second year of IMPACT the authors found that teachers who had one
minimally effective rating were much more likely to voluntarily exit and those who remained disproportionately improved.
In other words, IMPACT's
minimally effective rating increased the attrition of lower - performing teachers from 20 percent to 30 percent, an increment of 50 percent.
Notably, the effects of
a minimally effective rating on retention and performance occurred at the end of IMPACT's second year, when the political credibility of the reform had been affirmed by the appointment of Kaya Henderson as chancellor and by the first instance in which teachers (roughly 140) were fired for having two consecutive «minimally effective» ratings.
Not exact matches
Teacher quality and student achievement in both math and reading increased substantially after the departure of low - performing teachers — those dismissed by IMPACT, or those who left voluntarily following their first «
minimally effective»
rating.
Teachers
rated «ineffective» are dismissed; those whose performance is
rated as «
minimally effective» have one year to improve; and teachers who are
rated «highly
effective» receive large bonuses and the potential for substantial increases in base pay.
Overall, 3.8 percent of all teachers in the district were let go as a result of being
rated «ineffective» once or after earning two consecutive «
minimally effective»
ratings under IMPACT between 2009 10 and 2011 12.
Among all teachers
rated «
minimally effective,» 27 percent voluntarily left the district, compared to 14 percent of teachers
rated «
effective» and 9 percent of teachers
rated «highly
effective.»
In 2009 10 and 2010 11, 14 percent of teachers were
rated «highly
effective,» 69 percent of teachers were
rated «
effective,» 14 percent were judged «
minimally effective,» and another 2 percent were deemed «ineffective.»
We find that teachers near the threshold who received their first «
minimally effective»
rating at this time were considerably more likely to exit DCPS voluntarily, with retention dropping by 10 percentage points in 2011 12 (see Figure 2).
Teachers identified as «
minimally effective» have one year to improve their
rating and avoid dismissal.
In 2009 10 and 2010 11, 69 percent of teachers were
rated «
effective,» 14 percent were
rated «highly
effective,» 2 percent were judged «ineffective,» and another 14 percent were deemed «
minimally effective.»
Moreover, the system is helping to retain the very best teachers: 92 percent of teachers
rated «highly
effective» stay in DCPS (compared to 59 percent of those
rated minimally effective).
This year, administrators fired 75 of those teachers with poor appraisals and gave more than 700 others
rated minimally effective one year to improve.
It should be noted here that in DCPS teachers
rated as «Ineffective» or consecutively as «
Minimally Effective» are «separated» from the district; hence, DCPS has adopted educational policies that align with this «conceptual model» as well.
One woman said parents routinely say she's the best teacher their children have ever had, yet she was
rated «
minimally effective.»
About a third of the teachers
rated minimally effective last year opted to leave the system, also a good outcome.
Of the 206 teachers fired this year, 65 were
rated ineffective and 141 were judged
minimally effective for the second consecutive year.
In addition, principals also (still) rarely identified teachers as
minimally effective or ineffective, with approximately 10 % of
ratings falling into these of the lowest two of the four categories on the Danielson scale.
If a superintendent is
rated as
minimally effective or ineffective, the Board of Education must develop and require the superintendent to implement an improvement plan to correct the deficiencies.
The judge cited testimony regarding a case where 50 % of the teachers
rated Minimally Effective had missing data due to reassignment to a wrong group.
• Employs rubrics with effectiveness
ratings of highly
effective,
effective,
minimally effective, and ineffective (
ratings will be updated based on final statute).
A state law passed in 2011 requires districts to evaluate teachers, and
rate them as highly
effective,
effective,
minimally effective, or ineffective.
Two percent were
rated ineffective and the rest «
minimally effective.»
Unlike NYS's almost universally high estimation of teacher quality, in 2009 - 2011 in D.C., 14 percent of teachers were
rated «highly
effective,» 69 percent of teachers were
rated «
effective,» 14 percent were judged «
minimally effective,» and another 2 percent were deemed «ineffective.»
That left her overall
rating in her rookie year as «
minimally effective.»
Her classroom observation score was 3.2 out of a possible 4, but she was still
rated minimally effective and fired in July.