Lick (James) Middle (Data source)
Source data for Lick (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 | 2378212 | 2471 | - | 2552 | = | -81 | * | (166 | / | 535) | = | -25.13271021 | ||
| 7 | 2378215 | 2471 | - | 2567 | = | -96 | * | (175 | / | 535) | = | -31.40186909 | ||
| 8 | 2378216 | 2489 | - | 2586 | = | -97 | * | (194 | / | 535) | = | -35.17383173 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lick (James) Middle | -92 | ||||||||||||
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 | 72628 | 2463 | - | 2552 | = | -89 | * | (173 | / | 507) | = | -30.36883623 | ||
| 7 | 72629 | 2482 | - | 2567 | = | -85 | * | (185 | / | 507) | = | -31.01577903 | ||
| 8 | 72631 | 2453 | - | 2586 | = | -133 | * | (149 | / | 507) | = | -39.08678493 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lick (James) Middle | -100 | ||||||||||||
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 | 74599 | 2438 | - | 2552 | = | -114 | * | (224 | / | 622) | = | -41.05466234 | ||
| 7 | 74601 | 2462 | - | 2567 | = | -105 | * | (200 | / | 622) | = | -33.76205784 | ||
| 8 | 74603 | 2492 | - | 2586 | = | -94 | * | (198 | / | 622) | = | -29.92282956 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lick (James) Middle | -105 | ||||||||||||
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 | 74773 | 2447 | - | 2552 | = | -105 | * | (179 | / | 595) | = | -31.58823528 | ||
| 7 | 74776 | 2453 | - | 2567 | = | -114 | * | (220 | / | 595) | = | -42.15126049 | ||
| 8 | 74777 | 2459 | - | 2586 | = | -127 | * | (196 | / | 595) | = | -41.83529403 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lick (James) Middle | -116 | ||||||||||||
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 | 75299 | 2427 | - | 2552 | = | -125 | * | (172 | / | 540) | = | -39.81481475 | ||
| 7 | 75300 | 2458 | - | 2567 | = | -109 | * | (170 | / | 540) | = | -34.31481473 | ||
| 8 | 75301 | 2475 | - | 2586 | = | -111 | * | (198 | / | 540) | = | -40.69999993 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lick (James) Middle | -115 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -92 | -100 | -105 | -116 | -115 | -528.0 | -105.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -75.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -135.6
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 | 81% | 72% | 62% | 66% | 71% |
| 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.
Lick (James) Middle math proficiency
Zero+ meets standard.
71% less $meal
66% less $meal
59% less $meal
62% less $meal
62% 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.