Francisco Middle (Data source)
Source data for Francisco 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 | 2375176 | 2512 | - | 2552 | = | -40 | * | (179 | / | 580) | = | -12.34482756 | ||
| 7 | 2375179 | 2552 | - | 2567 | = | -15 | * | (187 | / | 580) | = | -4.8362069 | ||
| 8 | 2375180 | 2554 | - | 2586 | = | -32 | * | (214 | / | 580) | = | -11.80689654 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Francisco Middle | -29 | ||||||||||||
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 | 72547 | 2529 | - | 2552 | = | -23 | * | (190 | / | 605) | = | -7.22314048 | ||
| 7 | 72550 | 2540 | - | 2567 | = | -27 | * | (204 | / | 605) | = | -9.10413221 | ||
| 8 | 72551 | 2565 | - | 2586 | = | -21 | * | (211 | / | 605) | = | -7.32396693 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Francisco Middle | -24 | ||||||||||||
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 | 74522 | 2507 | - | 2552 | = | -45 | * | (200 | / | 615) | = | -14.63414634 | ||
| 7 | 74523 | 2546 | - | 2567 | = | -21 | * | (199 | / | 615) | = | -6.79512194 | ||
| 8 | 74525 | 2549 | - | 2586 | = | -37 | * | (216 | / | 615) | = | -12.99512194 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Francisco Middle | -34 | ||||||||||||
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 | 74696 | 2555 | - | 2552 | = | 3 | * | (164 | / | 568) | = | 0.86619718 | ||
| 7 | 74697 | 2549 | - | 2567 | = | -18 | * | (196 | / | 568) | = | -6.2112676 | ||
| 8 | 74700 | 2591 | - | 2586 | = | 5 | * | (208 | / | 568) | = | 1.83098592 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Francisco Middle | -4 | ||||||||||||
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 | 75221 | 2526 | - | 2552 | = | -26 | * | (176 | / | 554) | = | -8.25992778 | ||
| 7 | 75222 | 2585 | - | 2567 | = | 18 | * | (166 | / | 554) | = | 5.3935018 | ||
| 8 | 75223 | 2564 | - | 2586 | = | -22 | * | (212 | / | 554) | = | -8.41877256 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Francisco Middle | -11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -29 | -24 | -34 | -4 | -11 | -102.0 | -20.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -56.4
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 | 88% | 80% | 67% | 72% | 70% |
| 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.
Francisco Middle math proficiency
Zero+ meets standard.
68% less $meal
65% less $meal
58% less $meal
64% less $meal
61% 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.