Denman (James) Middle (Data source)
Source data for Denman (James) Middle
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 2375830 | 2479 | - | 2552 | = | -73 | * | (205 | / | 601) | = | -24.90016634 | ||
| 7 | 2375833 | 2504 | - | 2567 | = | -63 | * | (216 | / | 601) | = | -22.64226287 | ||
| 8 | 2375834 | 2518 | - | 2586 | = | -68 | * | (180 | / | 601) | = | -20.36605651 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Denman (James) Middle | -68 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 72564 | 2489 | - | 2552 | = | -63 | * | (247 | / | 684) | = | -22.74999999 | ||
| 7 | 72566 | 2505 | - | 2567 | = | -62 | * | (223 | / | 684) | = | -20.21345024 | ||
| 8 | 72568 | 2521 | - | 2586 | = | -65 | * | (214 | / | 684) | = | -20.33625731 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Denman (James) Middle | -63 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 74537 | 2483 | - | 2552 | = | -69 | * | (304 | / | 778) | = | -26.96143957 | ||
| 7 | 74540 | 2519 | - | 2567 | = | -48 | * | (259 | / | 778) | = | -15.97943443 | ||
| 8 | 74541 | 2526 | - | 2586 | = | -60 | * | (215 | / | 778) | = | -16.58097684 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Denman (James) Middle | -60 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 74712 | 2485 | - | 2552 | = | -67 | * | (258 | / | 802) | = | -21.55361592 | ||
| 7 | 74714 | 2516 | - | 2567 | = | -51 | * | (296 | / | 802) | = | -18.82294261 | ||
| 8 | 74715 | 2519 | - | 2586 | = | -67 | * | (248 | / | 802) | = | -20.71820444 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Denman (James) Middle | -61 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 75237 | 2465 | - | 2552 | = | -87 | * | (246 | / | 774) | = | -27.65116276 | ||
| 7 | 75238 | 2523 | - | 2567 | = | -44 | * | (253 | / | 774) | = | -14.38242894 | ||
| 8 | 75239 | 2537 | - | 2586 | = | -49 | * | (275 | / | 774) | = | -17.40956069 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Denman (James) Middle | -59 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -68 | -63 | -60 | -61 | -59 | -311.0 | -62.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -53.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 82% | 72% | 60% | 66% | 64% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Francisco Unified school district | County of San Francisco
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Denman (James) Middle math proficiency
Zero+ meets standard.
68% less $meal
60% less $meal
52% less $meal
56% less $meal
54% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.