State Superintendent’s Quarterly Meeting
September 28, 2010
Peter Gorman
Charlotte‐Mecklenburg Schools
Scheduling Teachers and Students
Middle School A: Math (2010)
100
Above Avg Teachers w/ Above Avg Students
Above Avg Teachers w/ Below Avg Students
Teacher A
85th Percentile
Teacher Effect Entering the Year
(+/‐ 180 Days Instruction by Average Teacher)
80
60
40
Paul Booth
20
Sara Suckstorff
0
Stacey Callahan
Cheryl Lamb
Andrew Bell
Heather Hetrick
Angela Davis
William King
Janet Delery
Karen Carlson
Teresa Peterson
‐20
Eric Fatzinger
Teacher B
7th Percentile
‐40
Tyler Palmer
‐60
Below Avg Teachers w/ Below Avg Students
Below Avg Teachers w/ Above Avg Students
‐80
‐540
‐450
‐360
‐270
‐180
‐90
0
90
180
270
360
450
540
Student Days Ahead/Behind Entering Year
Each dot represents one student. Each line of dots represents the student assigned the teacher listed at the end of the dots.
70k
70k
60k
60k
n
n
u
a
l T
e
a
c
h
e
r
S
a
la
r
y
(
$
)
80k
A
Annual Teacher Salary ($)
80k
50k
50k
40k
40k
30k
30k
10 20 30 40 50 60 70 80 90100
Percentile of Teacher Effectiveness
10 20 30 40 50 60 70 80 90 100
Percentile of Teacher Effectiveness
Possible options for other measures are being tested in Gates Measuring Effect Teaching Study. Examples could include: student work samples, student surveys, peer review.
Difference in Days of Instruction Provided by
Top and Bottom 25% Value‐Added Teachers
Math
Reading
Science
Algebra 1
120
100
Days of AverageTeacher Instruction
80
60
49
53
59
40
16
20
0
Algebra 2
19
49
Geometry
81
86
82
80
67
65
74
23
Biology
107
120
100
47
59
93
79
63
94
Physical Science
112
102
75
53
60
40
20
0
English 1
Civics & Economics
107
120
100
77
80
60
40
20
32
20
0
US History
CMS(2008‐2010)
79
107
101
76
37
2008
2010
2009
Within Schools
Across Schools
Distribution of District's Top 25% Teachers Across Schools
CMS (2010) All Tested Subjects
1
.8
.6
.4
.2
0
1
.8
.6
.4
.2
Middle Schools
100% of the teachers in this school were in the district’s top 25%.
High Schools
0
Proportion of School's Teachers in Top 25%
Elementary Schools
CMS (2010) All Tested Subjects
Elementary Schools
.8
.6
.4
.2
0
.8
.6
.4
.2
Middle Schools
77% of the teachers in this school were in the district’s bottom 25%.
High Schools
0
Proportion of School's Teachers in District's Bottom 25%
Distribution of District's Bottom 25% Teachers Across Schools
Name
Jack
Jack
Jane
Jane
Jane
Subject Grade Avg Pctile
Math
7
71
7
43
Reading
Math
6
13
6
37
Reading
6
31
Science
2009-10
2008-09
2007-08
Teacher Effect Student Result Teacher Effect Student Result Teacher Effect Student Result
Pctile Days Added Student Level Pctile Days Added Student Level Pctile Days Added Student Level
99
70
-233
59
4
-269 56
2
-290
75
6
-266
28
-4
-266 25
-4
-306
18
-21
-201
7
-30
-342
69
4
-144
5
-12
-194
31
-13
-273
“… When we see perpetual, chronically under‐
performing schools, we have to step in and do something to change the status quo.”
“Charlotte is on the cutting edge of what is going on nationally. We’ve seen around the country that if you put great teachers into high‐risk, low‐
performing schools, you will see great results.”
Grade‐Level Effect
(+/‐ 180 Days Instruction by Average Grade‐Level Team)
Elementary School A
Grade‐Level Effectiveness
Math G4
Math G5
100
80
60
40
20
(93)
0
(86)
(78)
(84)
(83)
(91)
‐20
‐40
‐60
‐80
Reading G4
Reading G5
100
80
60
40
20
0
(96)
(98)
(96)
(68)
(47)
(80)
‐20
‐40
‐60
‐80
2008
2009
2010
Year (Spring)
2008
2009
The horizontal red line indicates average grade‐level team effectiveness. District percentile in parentheses.
The percentile means the team's effectiveness was as good or better than (x)% of other teams in that subject.
2010
http://widgeteffect.org/
Teacher Effect
(+/‐ 180 Days Instruction by Average Teacher)
Trajectory of Effectiveness for Teachers Just Granted Career Status
Middle School C
Teacher 1
100
80
60
40
20
0
‐20
‐40
‐60
‐80
51
65
Teacher 2
80
30
19
31
2008
2009
2010
Teacher 3
100
80
60
40
20
0
‐20
‐40
‐60
‐80
31
32
2008
2009
65
2010
Year (Spring)
District percentile across all subjects taught by teacher label each point .
Teachers with Career Status
by Quartile of Teacher Value‐Added
Math
Reading
Top Q
Top Q
27
2nd Q
24
3rd Q
25
4th Q
29
2nd Q
24
3rd Q
23
4th Q
23
24
Algebra 2
30
27
3rd Q
28
4th Q
26
27
3rd Q
24
3rd Q
4th Q
25
4th Q
24
Top Q
24
2nd Q
29
4th Q
19
2nd Q
26
3rd Q
30
26
27
0
10
20
Top Q
20
2nd Q
22
4th Q
19
US History
25
30
28
3rd Q
27
4th Q
26
0
10
20
22
30
% Teachers with Career Status in Each Quartile 21
27
3rd Q
4th Q
23
Civics & Economics
25
Physical Science
Top Q
3rd Q
27
CMS (2007‐2010)
2nd Q
27
2nd Q
20
25
3rd Q
Top Q
10
2nd Q
2nd Q
27
0
26
27
Top Q
4th Q
Top Q
2nd Q
English 1
3rd Q
26
Biology
Top Q
4th Q
15
Algebra 1
Top Q
Geometry
Top Q
2nd Q
Science
31
22
Highest Value‐Added Teachers (Top 25%) Compared to Lowest Value‐Added Teachers (Bottom 25%)
Difference in Days of Instruction Provided
Difference in Pay
+40%
+2%
Distribution of District Compensation by Quartile of Effectiveness:
Math, Grades 4‐8 (2009)
Median Annual Salary
by Quartile of Teacher Value‐Added
Math
Reading
Science
Algebra 1
Top Q
43,177
Top Q
44,273
Top Q
44,273
Top Q
44,492
2nd Q
43,708
2nd Q
43,115
2nd Q
43,708
2nd Q
45,071
3rd Q
43,708
3rd Q
43,155
3rd Q
43,708
3rd Q
45,604
4th Q
43,155
4th Q
43,115
4th Q
43,155
4th Q
Algebra 2
Top Q
45,604
42,494
Top Q
2nd Q
42,494
2nd Q
2nd Q
45,406
2nd Q
3rd Q
45,604
3rd Q
44,273
3rd Q
4th Q
44,273
4th Q
43,708
4th Q
48,606
English 1
Top Q
41,437
2nd Q
45,026
3rd Q
45,026
47,386
00
00
00
0
50
,
40
,0
30
,0
00
43,155
,0
00
0
00
00
0
50
,
20
,0
4th Q
Median Annual Salary for Teachers in Each Quartile CMS (2007‐2010)
43,708
46,785
46,070
4th Q
43,155
00
4th Q
40
,0
43,708
00
4th Q
45,604
30
,0
3rd Q
20
,0
44,174
0
3rd Q
00
30
,0
00
40
,0
00
50
,0
00
2nd Q
0
45,026
41,437
3rd Q
US History
42,494
2nd Q
,0
00
46,490
Top Q
,0
00
47,244
10
44,273
Civics & Economics
10
Top Q
Physical Science
Top Q
20
,0
51,569
Biology
10
Top Q
Geometry
43,165
Median Years of Experience
by Quartile of Teacher Value‐Added
Math
Reading
Top Q
7.0
Top Q
2nd Q
7.0
2nd Q
3rd Q
7.0
3rd Q
4th Q
7.0
4th Q
6.0
7.0
6.0
13.0
Top Q
8.0
3rd Q
5
CMS (2007‐2010)
10
3rd Q
4th Q
7.0
4th Q
5.0
15
6.0
2nd Q
9.0
3rd Q
9.0
9.5
10
5.0
8.0
4th Q
7.5
5
2nd Q
US History
2nd Q
0
5.0
4th Q
9.0
Top Q
15
7.0
0
5
10
7.0
Top Q
3rd Q
8.5
4th Q
8.0
Physical Science
6.0
6.0
4th Q
8.0
0
7.0
Top Q
3rd Q
9.0
4th Q
3rd Q
Civics & Economics
10.0
2nd Q
2nd Q
3rd Q
10.0
English 1
9.0
7.0
2nd Q
9.0
4th Q
6.0
9.0
2nd Q
Top Q
10.5
3rd Q
10.0
Top Q
Biology
9.5
2nd Q
9.0
4th Q
Top Q
Algebra 1
8.0
Geometry
Top Q
3rd Q
Top Q
8.0
Algebra 2
2nd Q
Science
15
Median Years Experience for Teachers in Each Quartile 11.0
10.5
Teachers with Advanced Degrees
by Quartile of Teacher Value‐Added
Math
Reading
Science
Top Q
25
Top Q
24
Top Q
2nd Q
25
2nd Q
25
2nd Q
3rd Q
25
3rd Q
24
3rd Q
4th Q
24
4th Q
Algebra 2
25
Top Q
2nd Q
26
2nd Q
3rd Q
3rd Q
22
4th Q
4th Q
26
English 1
Top Q
33
2nd Q
2nd Q
27
3rd Q
20
3rd Q
4th Q
20
4th Q
0
10
20
CMS (2007‐2010)
30
40
Top Q
30
22
4th Q
27
20
24
3rd Q
23
10
36
2nd Q
19
0
4th Q
US History
30
40
19
0
10
20
18
25
3rd Q
26
Civics & Economics
Top Q
2nd Q
23
4th Q
15
Top Q
27
3rd Q
30
23
Physical Science
25
2nd Q
32
26
4th Q
25
Top Q
24
3rd Q
27
Biology
22
27
2nd Q
23
Geometry
Top Q
Top Q
25
4th Q
26
Algebra 1
30
40
% Teachers with Career Status in Each Quartile 31
26
National Board Certified Teachers
by Quartile of Teacher Value‐Added
Math
Reading
Top Q
26
Top Q
2nd Q
26
2nd Q
3rd Q
4th Q
25
22
4th Q
18
2nd Q
2nd Q
3rd Q
25
4th Q
11
0
20
CMS (2007‐2010)
40
60
0
20
40
4th Q
18
20
43
22
4th Q
0
60
15
0
20
26
33
3rd Q
28
3rd Q
25
25
2nd Q
26
2nd Q
40
20
Top Q
29
Top Q
25
Physical Science
US History
35
30
4th Q
19
4th Q
Top Q
29
4th Q
3rd Q
Civics & Economics
36
3rd Q
22
3rd Q
12
English 1
2nd Q
3rd Q
2nd Q
32
4th Q
7
Top Q
2nd Q
Top Q
26
3rd Q
12
4th Q
23
Biology
30
2nd Q
24
3rd Q
Top Q
Top Q
2nd Q
Geometry
56
Algebra 1
37
4th Q
24
Algebra 2
Top Q
Top Q
28
3rd Q
29
Science
40
60
% Teachers with National Board Certification in Each Quartile 27
14
Percentage of Differences in Value‐Added Among Teachers
Not Explained by Experience, Advanced Degrees or National Board
Algebra 1
98%
Algebra 2
89%
English 1
Geometry
98%
97%
Reading
US History
Biology
94%
Math
96%
% of Differences
Explained By:
98%
CMS (2009, 2010)
90%
Teacher Credentials
Other Differences
Civics & Economics
95%
Physical Science
100%
No matter how good you are, you will need to wait 30 years to make $60,000!
If we pay you based on your effectiveness, it won’t be on purpose!
The only way to increase your compensation more quickly is to leave the classroom!
• Turnover of Principals
• Self‐Selection is Poor Predictor of Performance
• Leadership Development
–
–
–
–
New Leaders for New Schools
Leaders for Tomorrow
Queens University McColl School Program
Aspiring Leaders
• Succession Planning
– Business Partners
• Teach for America
Year indicates year in which performance will be linked to the next year’s compensation.