Anne Darling Elementary (Data source)
Source data for Anne Darling Elementary
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 |
||
| 3 | 2707632 | 2391 | - | 2436 | = | -45 | * | (80 | / | 242) | = | -14.87603304 | ||
| 4 | 2707635 | 2448 | - | 2485 | = | -37 | * | (76 | / | 242) | = | -11.61983468 | ||
| 5 | 2707636 | 2451 | - | 2528 | = | -77 | * | (86 | / | 242) | = | -27.3636363 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Anne Darling Elementary | -54 | ||||||||||||
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 |
||
| 3 | 82445 | 2385 | - | 2436 | = | -51 | * | (62 | / | 218) | = | -14.50458712 | ||
| 4 | 82447 | 2425 | - | 2485 | = | -60 | * | (82 | / | 218) | = | -22.56880728 | ||
| 5 | 82449 | 2458 | - | 2528 | = | -70 | * | (74 | / | 218) | = | -23.76146787 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Anne Darling Elementary | -61 | ||||||||||||
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 |
||
| 3 | 84737 | 2391 | - | 2436 | = | -45 | * | (68 | / | 214) | = | -14.29906541 | ||
| 4 | 84739 | 2424 | - | 2485 | = | -61 | * | (66 | / | 214) | = | -18.81308405 | ||
| 5 | 84741 | 2436 | - | 2528 | = | -92 | * | (80 | / | 214) | = | -34.3925233 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Anne Darling Elementary | -68 | ||||||||||||
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 |
||
| 3 | 84953 | 2385 | - | 2436 | = | -51 | * | (79 | / | 209) | = | -19.27751193 | ||
| 4 | 84954 | 2428 | - | 2485 | = | -57 | * | (67 | / | 209) | = | -18.27272723 | ||
| 5 | 84957 | 2418 | - | 2528 | = | -110 | * | (63 | / | 209) | = | -33.15789466 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Anne Darling Elementary | -71 | ||||||||||||
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 |
||
| 3 | 85546 | 2380 | - | 2436 | = | -56 | * | (66 | / | 204) | = | -18.11764702 | ||
| 4 | 85547 | 2408 | - | 2485 | = | -77 | * | (75 | / | 204) | = | -28.30882347 | ||
| 5 | 85548 | 2439 | - | 2528 | = | -89 | * | (63 | / | 204) | = | -27.48529408 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Anne Darling Elementary | -74 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -54 | -61 | -68 | -71 | -74 | -328.0 | -65.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -89.6
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 | 79% | 84% | 83% | 83% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Jose Unified school district | County of Santa Clara
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.
Anne Darling Elementary math proficiency
Zero+ meets standard.
68% less $meal
73% less $meal
69% less $meal
73% less $meal
66% 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.