Class Size Trends for Manhattan 2006 2019 Class

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Class Size Trends for Manhattan 2006 -2019 Class Size Matters www. classsizematters. org Info@classsizematters.

Class Size Trends for Manhattan 2006 -2019 Class Size Matters www. classsizematters. org Info@classsizematters. org

In 2007, NYS Legislature passed a new law called the Contracts for Excellence (C

In 2007, NYS Legislature passed a new law called the Contracts for Excellence (C 4 E)

C 4 E law states that in return for millions in new state funding,

C 4 E law states that in return for millions in new state funding, NYC has a legal obligation to: 1. Spend the funds to improve school conditions in six specified areas. 2. Create a plan to reduce class sizes in all grades over five years. 3. In 2007, NYC submitted a 5 -yr plan to reduce class sizes to no more than 20 in grades K-3; 23 in grades 4 -8 and 25 in core HS classes. 4. Yet instead of decreasing, class sizes increased sharply, starting in 2008.

D 1 Class Size Trends • 24. 4% increase in K-3 rd class size

D 1 Class Size Trends • 24. 4% increase in K-3 rd class size since 2006 • 8. 5% increase in 4 th-8 th class size since 2006 • K-3 rd class sizes were smaller than the C 4 E goals in 2006 by 3. 8 students per class, and are now larger than the C 4 E goals in 2019 by 1. 5 students per class • 4 th-8 th class sizes were smaller than the C 4 E goals in 2006 by 4. 6 students per class, and are now smaller than the C 4 E goals in 2019 by just 0. 1 students per class

D 1 K-3 rd Class Size Trends 26 25 24 24. 9 24. 5

D 1 K-3 rd Class Size Trends 26 25 24 24. 9 24. 5 24. 7 24. 6 24. 2 23. 9 23 24. 0 23. 9 23. 8 20. 1 21. 3 21. 4 19. 9 22 22. 1 20. 9 21 21 20 21. 4 20. 7 19 18 20. 3 19. 6 19. 3 19. 2 18. 7 17. 2 20. 1 20. 5 21. 6 21. 1 21 19. 9 21. 4 21. 5 19. 9 20. 9 19. 9 Citywide actual 0 -2 19 20 20 18 -1 9 8 -1 17 7 D 1 20 20 16 -1 6 20 15 -1 5 14 -1 4 20 -1 20 12 20 C 4 E Goals 13 -1 3 2 -1 11 20 10 -1 1 0 20 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 17

D 1 4 th-8 th Class Size Trends 27 26 25. 1 25. 6

D 1 4 th-8 th Class Size Trends 27 26 25. 1 25. 6 25 26. 3 26. 7 26. 6 26. 5 25. 8 25. 3 24. 8 24 24. 6 23. 8 23 23. 3 22. 9 23. 2 23 22. 9 22 21 26. 8 26. 7 26. 6 21 20 20. 4 24. 7 24. 3 22. 9 22. 7 22. 9 22. 8 22. 4 22. 2 20. 6 20. 2 20. 1 D 1 0 -2 19 20 20 18 -1 9 8 -1 20 17 7 16 20 -1 15 Citywide actual -1 6 5 20 20 14 -1 13 12 20 C 4 E Goals 20 -1 3 2 -1 20 11 1 20 10 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 19

D 2 Class Size Trends • 12. 3% increase in K-3 rd class size

D 2 Class Size Trends • 12. 3% increase in K-3 rd class size since 2006 • 4. 5% increase in 4 th-8 th class size since 2006 • K-3 rd class sizes were larger than the C 4 E goal in 2006 by 1. 0 student per class, and are now larger than the C 4 E goal in 2019 by 4. 8 students per class • 4 th-8 th class sizes were larger than the C 4 E goal in 2006 by 1. 0 student per class, and are now larger than the C 4 E goal in 2019 by 4. 9 students per class

D 2 K-3 rd Class Size Trends 26 25. 1 25 24. 6 24.

D 2 K-3 rd Class Size Trends 26 25. 1 25 24. 6 24. 5 23. 9 24 22 22 21 21. 9 20. 9 21 24. 1 23. 97 24. 2 24. 8 24. 5 24. 7 24. 0 23. 9 23. 8 19. 9 22. 1 21. 4 20. 7 20 24. 7 22. 9 22. 7 22. 3 24. 4 23. 7 23. 1 23 24. 86 20. 5 20. 3 20. 1 19. 9 D 2 0 19 -2 9 20 -1 18 20 20 17 -1 8 7 16 -1 6 Citywide actual 20 -1 15 20 20 14 -1 5 4 -1 13 20 12 -1 3 2 C 4 E goals 20 -1 20 11 1 -1 20 10 0 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 19

D 2 4 th-8 th Class Size Trends 28 27 26. 6 26 26.

D 2 4 th-8 th Class Size Trends 28 27 26. 6 26 26. 5 26 25. 1 25. 6 25 26. 4 27. 6 27. 5 27. 7 27. 8 26. 7 26. 6 26. 5 22. 9 22. 9 26 25. 8 25. 3 24. 8 26. 3 25. 9 26. 89 26. 6 27. 0 24. 6 24 23. 8 23 23. 3 22. 9 C 4 E Goals D 2 0 -2 19 20 20 18 -1 9 8 -1 17 20 16 -1 7 6 Citywide actual 20 15 -1 5 20 20 14 -1 13 20 -1 20 12 11 20 3 2 -1 1 -1 20 10 0 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 22

D 3 Class Size Trends • 3. 7% increase in K-3 rd class size

D 3 Class Size Trends • 3. 7% increase in K-3 rd class size since 2006 • 5. 3% decrease in 4 th-8 th class size since 2006 • K-3 rd class sizes were larger than the C 4 E goal in 2006 by 0. 5 students per class, and are now larger than the C 4 E goal in 2019 by 2. 4 students per class • 4 th-8 th class sizes were larger than the C 4 E goal in 2006 by 0. 8 students per class, and are now larger than the C 4 E goal in 2019 by 2. 1 students per class

D 3 K-3 rd Class Size Trends 26 25 24. 86 24. 5 24

D 3 K-3 rd Class Size Trends 26 25 24. 86 24. 5 24 24. 7 24. 6 24. 2 23. 9 23 23. 2 22. 9 21. 1 21. 4 C 4 E goals D 3 23. 8 22. 3 19. 9 0 20 19 -2 9 -1 18 20 -1 20 17 7 -1 16 20 -1 15 20 Citywide actual 19. 9 8 19. 9 6 19. 9 5 19. 9 -1 01 -2 11 19. 9 20 10 -2 01 2 1 0 -1 20 20 09 -9 08 20 -8 07 20 Ba se lin e 19 19. 9 14 19. 9 20 20. 1 4 20. 3 -1 20. 5 13 20 20 20. 9 20. 7 23. 9 21. 3 3 21 22. 6 21. 9 -1 21 22. 2 22. 1 12 21. 5 22. 9 22. 4 20 22 23. 2 22. 95 24. 0

D 3 4 th-8 th Class Size Trends 27 26. 4 26 26. 3

D 3 4 th-8 th Class Size Trends 27 26. 4 26 26. 3 25. 6 25 25. 8 25. 1 26. 7 26. 0 25. 9 26. 8 25. 6 25. 3 24. 6 24. 8 26. 6 26. 7 25. 48 26. 6 26. 5 25. 7 25. 4 25. 2 25. 0 24. 7 24. 4 24 26. 6 23. 8 23 23. 3 22. 9 22. 9 C 4 E goals Citywide actual D 3 0 20 19 -2 9 -1 18 20 20 17 -1 8 7 -1 20 -1 15 20 16 6 5 20 14 -1 4 20 13 -1 12 20 01 -2 11 20 10 -2 01 2 1 0 -1 20 20 09 -9 08 20 -8 07 20 Ba se lin e 22

D 4 Class Size Trends • 5. 7% decrease in K-3 rd class size

D 4 Class Size Trends • 5. 7% decrease in K-3 rd class size since 2006 • 6. 3% decrease in 4 th-8 th class size since 2006 • K-8 th class sizes were smaller than the C 4 E goals in 2006, and although they grew to be larger than the C 4 E goals briefly, they are now smaller than the C 4 E goal again in 2019

D 4 K-3 rd Class Size Trends 26 25 24 24. 9 24. 5

D 4 K-3 rd Class Size Trends 26 25 24 24. 9 24. 5 24. 7 24. 6 24. 2 23. 9 23 24. 0 23. 9 19. 4 19. 6 23. 8 22. 9 22 22. 1 20. 9 21 21 20 19 21. 4 20. 5 20. 7 19. 8 20. 3 19. 9 19. 6 19. 4 20. 2 20. 4 21. 3 19. 9 20. 1 21. 5 21. 0 19. 9 20. 2 20. 8 19. 9 18 18. 3 C 4 E goals Citywide actual D 4 0 20 19 -2 9 -1 18 20 20 17 -1 8 7 -1 20 16 6 15 -1 5 20 20 14 -1 4 20 13 -1 20 12 2 -1 11 20 20 10 -1 1 0 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 17

D 4 4 th-8 th Class Size Trends 27 26 26. 3 25 26.

D 4 4 th-8 th Class Size Trends 27 26 26. 3 25 26. 7 26. 6 23. 9 23. 1 26. 6 26. 5 25. 8 25. 1 25. 6 26. 8 26. 7 26. 6 25. 3 24. 8 24. 6 24 24. 5 23. 8 23 24. 1 24 23. 0 23. 3 23 22. 9 22. 5 22 22. 3 21. 8 C 4 E target Citywide actual D 4 0 20 19 -2 9 -1 18 20 20 17 -1 8 7 -1 16 20 15 -1 6 5 20 20 14 -1 4 20 13 -1 12 20 11 -1 2 1 20 20 10 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 21

D 5 Class Size Trends • 3. 6% decrease in K-3 rd class size

D 5 Class Size Trends • 3. 6% decrease in K-3 rd class size since 2006 • 9. 1% decrease in 4 th-8 th class size since 2006 • K-8 th class sizes were smaller than the C 4 E goals in 2006, and although they grew to be larger than the C 4 E goals briefly, they are now smaller than the C 4 E goal again in 2019

D 5 K-3 rd Class Size Trends 26 25 24 24. 86 24. 5

D 5 K-3 rd Class Size Trends 26 25 24 24. 86 24. 5 24. 7 24. 6 24. 2 23. 9 23 24. 0 23. 9 19. 9 23. 8 22. 9 22 22. 1 20. 9 21 21 20 21. 4 20. 7 20. 3 20. 5 19. 1 18 21. 4 20. 9 20. 1 19. 7 19 21. 6 20. 85 20. 1 19. 9 21. 4 21. 3 19. 9 21. 2 19. 9 19. 6 19. 2 18. 9 19 C 4 E goals D 5 0 20 19 -2 9 -1 18 20 20 17 -1 8 7 16 -1 6 Citywide actual 20 20 15 -1 5 20 14 -1 4 13 -1 3 20 20 12 -1 11 20 10 -1 1 0 20 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 17

D 5 4 th-8 th Class Size Trends 27 26 26. 3 25. 1

D 5 4 th-8 th Class Size Trends 27 26 26. 3 25. 1 25. 6 25 25. 8 25. 3 24. 8 24 24. 3 26. 6 26. 5 24. 4 23. 8 23. 6 23. 8 23. 7 23 26. 7 25. 1 24. 3 24. 6 24. 5 26. 8 26. 7 26. 6 23. 15 23. 3 22. 9 22. 8 22. 9 23. 3 23. 1 22. 9 23. 4 22. 9 22 22. 1 C 4 E goal Citywide actual D 5 0 20 19 -2 9 -1 18 20 20 17 -1 8 7 -1 20 16 6 15 -1 5 20 20 14 -1 4 20 13 -1 12 20 11 -1 2 1 20 -1 20 10 0 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 21

D 6 Class Size Trends • 1. 8% decrease in K-3 rd class size

D 6 Class Size Trends • 1. 8% decrease in K-3 rd class size since 2006 • 3. 5% decrease in 4 th-8 th class size since 2006 • K-3 rd class sizes were larger than the C 4 E goal in 2006 by 1. 4 students per class, and are now larger than the C 4 E goal in 2019 by 2. 1 students per class • 4 th-8 th class sizes were larger than the C 4 E goal in 2006 by 0. 2 students per class, and are now larger than the C 4 E goal in 2019 by 2. 0 students per class

D 6 K-3 rd Class Size Trends 26 25 24. 86 24. 5 23.

D 6 K-3 rd Class Size Trends 26 25 24. 86 24. 5 23. 9 24 23. 2 23 22. 6 21 22. 2 19. 9 22. 0 Citywide actual D 6 19. 9 02 -2 19 18 -2 01 0 9 8 -1 17 20 -1 16 20 -1 20 15 -1 20 C 4 E goals 20 19. 9 7 19. 9 6 19. 9 5 19. 9 14 2 -1 11 20 20 10 -1 1 0 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 19 19. 9 20 19. 9 4 20. 1 -1 20. 3 13 20. 5 20 20. 9 20. 7 20 22. 4 23. 8 21. 3 3 21 23. 9 23. 8 23. 7 22. 1 -1 21 21. 4 24. 0 22. 9 12 22. 4 21 24. 2 22. 9 20 22 24. 6 24. 4 24. 1 23. 7 24. 7

D 6 4 th-8 th Class Size Trends 27 26. 3 26 26. 7

D 6 4 th-8 th Class Size Trends 27 26. 3 26 26. 7 26. 6 26. 5 24. 9 22. 9 25. 8 25. 3 25. 1 25. 6 25 26. 8 26. 7 26. 6 25. 6 24. 8 25. 1 24. 8 25. 8 26 25. 7 25. 31 25. 3 24. 8 24. 6 24 25. 1 24. 7 23. 8 23 23. 3 22. 9 22. 9 C 4 E goals Citywide actual D 6 0 02 20 19 -2 01 -2 18 20 20 17 -1 9 8 7 -1 20 16 6 20 15 -1 14 20 20 13 -1 4 3 -1 12 20 11 -1 2 1 20 -1 20 10 0 -1 20 09 -9 08 20 -8 07 20 Ba se lin e 22

Size 8 Size 10 Size 12 Size 14Size 8 Size 10 Size 12 Size 14
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