Grunsky Elementary (Data source)
Source data for Grunsky 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 | 2454789 | 2398 | - | 2436 | = | -38 | * | (67 | / | 378) | = | -6.73544973 | ||
| 4 | 2454791 | 2417 | - | 2485 | = | -68 | * | (62 | / | 378) | = | -11.15343915 | ||
| 5 | 2454793 | 2418 | - | 2528 | = | -110 | * | (56 | / | 378) | = | -16.29629628 | ||
| 6 | 2454795 | 2456 | - | 2552 | = | -96 | * | (71 | / | 378) | = | -18.03174595 | ||
| 7 | 2454796 | 2466 | - | 2567 | = | -101 | * | (59 | / | 378) | = | -15.76455026 | ||
| 8 | 2454799 | 2478 | - | 2586 | = | -108 | * | (63 | / | 378) | = | -17.99999993 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grunsky Elementary | -86 | ||||||||||||
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 | 74883 | 2359 | - | 2436 | = | -77 | * | (64 | / | 378) | = | -13.03703701 | ||
| 4 | 74885 | 2444 | - | 2485 | = | -41 | * | (66 | / | 378) | = | -7.15873013 | ||
| 5 | 74887 | 2430 | - | 2528 | = | -98 | * | (66 | / | 378) | = | -17.11111105 | ||
| 6 | 74889 | 2455 | - | 2552 | = | -97 | * | (56 | / | 378) | = | -14.37037036 | ||
| 7 | 74892 | 2479 | - | 2567 | = | -88 | * | (64 | / | 378) | = | -14.89947087 | ||
| 8 | 74894 | 2503 | - | 2586 | = | -83 | * | (62 | / | 378) | = | -13.61375661 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grunsky Elementary | -80 | ||||||||||||
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 | 76893 | 2346 | - | 2436 | = | -90 | * | (57 | / | 395) | = | -12.98734173 | ||
| 4 | 76894 | 2410 | - | 2485 | = | -75 | * | (67 | / | 395) | = | -12.72151898 | ||
| 5 | 76896 | 2441 | - | 2528 | = | -87 | * | (73 | / | 395) | = | -16.07848096 | ||
| 6 | 76899 | 2414 | - | 2552 | = | -138 | * | (67 | / | 395) | = | -23.40759491 | ||
| 7 | 76900 | 2472 | - | 2567 | = | -95 | * | (66 | / | 395) | = | -15.87341767 | ||
| 8 | 76903 | 2463 | - | 2586 | = | -123 | * | (65 | / | 395) | = | -20.24050633 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grunsky Elementary | -101 | ||||||||||||
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 | 77082 | 2357 | - | 2436 | = | -79 | * | (69 | / | 368) | = | -14.8125 | ||
| 4 | 77083 | 2416 | - | 2485 | = | -69 | * | (47 | / | 368) | = | -8.81249998 | ||
| 5 | 77086 | 2448 | - | 2528 | = | -80 | * | (60 | / | 368) | = | -13.04347824 | ||
| 6 | 77087 | 2447 | - | 2552 | = | -105 | * | (66 | / | 368) | = | -18.83152173 | ||
| 7 | 77090 | 2451 | - | 2567 | = | -116 | * | (63 | / | 368) | = | -19.85869563 | ||
| 8 | 77091 | 2479 | - | 2586 | = | -107 | * | (63 | / | 368) | = | -18.31793476 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grunsky Elementary | -94 | ||||||||||||
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 | 77604 | 2384 | - | 2436 | = | -52 | * | (67 | / | 365) | = | -9.54520544 | ||
| 4 | 77605 | 2409 | - | 2485 | = | -76 | * | (56 | / | 365) | = | -11.66027393 | ||
| 5 | 77606 | 2417 | - | 2528 | = | -111 | * | (59 | / | 365) | = | -17.94246569 | ||
| 6 | 77607 | 2468 | - | 2552 | = | -84 | * | (58 | / | 365) | = | -13.34794516 | ||
| 7 | 77608 | 2471 | - | 2567 | = | -96 | * | (62 | / | 365) | = | -16.30684925 | ||
| 8 | 77609 | 2480 | - | 2586 | = | -106 | * | (63 | / | 365) | = | -18.29589033 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grunsky Elementary | -87 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -86 | -80 | -101 | -94 | -87 | -448.0 | -89.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -65.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -113.6
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% | 89% | 87% | 92% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Stockton Unified school district | County of San Joaquin
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.
Grunsky Elementary math proficiency
Zero+ meets standard.
77% less $meal
82% less $meal
81% less $meal
87% less $meal
79% 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.