Van Buren Elementary (Data source)
Source data for Van Buren 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 | 2462273 | 2358 | - | 2436 | = | -78 | * | (82 | / | 388) | = | -16.48453607 | ||
| 4 | 2462276 | 2394 | - | 2485 | = | -91 | * | (62 | / | 388) | = | -14.54123707 | ||
| 5 | 2462277 | 2404 | - | 2528 | = | -124 | * | (65 | / | 388) | = | -20.77319585 | ||
| 6 | 2462280 | 2429 | - | 2552 | = | -123 | * | (62 | / | 388) | = | -19.65463912 | ||
| 7 | 2462281 | 2462 | - | 2567 | = | -105 | * | (61 | / | 388) | = | -16.50773187 | ||
| 8 | 2462284 | 2462 | - | 2586 | = | -124 | * | (56 | / | 388) | = | -17.8969071 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Van Buren Elementary | -106 | ||||||||||||
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 | 75094 | 2359 | - | 2436 | = | -77 | * | (64 | / | 379) | = | -13.0026385 | ||
| 4 | 75095 | 2397 | - | 2485 | = | -88 | * | (70 | / | 379) | = | -16.25329807 | ||
| 5 | 75098 | 2414 | - | 2528 | = | -114 | * | (62 | / | 379) | = | -18.64907646 | ||
| 6 | 75100 | 2410 | - | 2552 | = | -142 | * | (67 | / | 379) | = | -25.10290228 | ||
| 7 | 75102 | 2443 | - | 2567 | = | -124 | * | (57 | / | 379) | = | -18.64907647 | ||
| 8 | 75104 | 2454 | - | 2586 | = | -132 | * | (59 | / | 379) | = | -20.54881264 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Van Buren Elementary | -112 | ||||||||||||
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 | 77102 | 2365 | - | 2436 | = | -71 | * | (55 | / | 378) | = | -10.3306878 | ||
| 4 | 77104 | 2377 | - | 2485 | = | -108 | * | (72 | / | 378) | = | -20.57142852 | ||
| 5 | 77107 | 2410 | - | 2528 | = | -118 | * | (71 | / | 378) | = | -22.16402107 | ||
| 6 | 77109 | 2424 | - | 2552 | = | -128 | * | (56 | / | 378) | = | -18.96296294 | ||
| 7 | 77111 | 2432 | - | 2567 | = | -135 | * | (62 | / | 378) | = | -22.14285714 | ||
| 8 | 77113 | 2467 | - | 2586 | = | -119 | * | (62 | / | 378) | = | -19.51851852 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Van Buren Elementary | -114 | ||||||||||||
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 | 77291 | 2365 | - | 2436 | = | -71 | * | (51 | / | 351) | = | -10.3162393 | ||
| 4 | 77293 | 2393 | - | 2485 | = | -92 | * | (56 | / | 351) | = | -14.67806263 | ||
| 5 | 77295 | 2397 | - | 2528 | = | -131 | * | (65 | / | 351) | = | -24.25925924 | ||
| 6 | 77297 | 2451 | - | 2552 | = | -101 | * | (64 | / | 351) | = | -18.41595438 | ||
| 7 | 77299 | 2472 | - | 2567 | = | -95 | * | (58 | / | 351) | = | -15.69800568 | ||
| 8 | 77301 | 2479 | - | 2586 | = | -107 | * | (57 | / | 351) | = | -17.37606833 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Van Buren Elementary | -101 | ||||||||||||
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 | 77814 | 2378 | - | 2436 | = | -58 | * | (48 | / | 332) | = | -8.38554215 | ||
| 4 | 77815 | 2400 | - | 2485 | = | -85 | * | (53 | / | 332) | = | -13.56927709 | ||
| 5 | 77816 | 2423 | - | 2528 | = | -105 | * | (52 | / | 332) | = | -16.44578313 | ||
| 6 | 77817 | 2456 | - | 2552 | = | -96 | * | (59 | / | 332) | = | -17.06024093 | ||
| 7 | 77818 | 2439 | - | 2567 | = | -128 | * | (58 | / | 332) | = | -22.36144576 | ||
| 8 | 77819 | 2518 | - | 2586 | = | -68 | * | (62 | / | 332) | = | -12.69879512 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Van Buren Elementary | -91 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -106 | -112 | -114 | -101 | -91 | -524.0 | -104.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -77.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -131.8
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 | 85% | 83% | 88% | 90% | 89% |
| 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.
Van Buren Elementary math proficiency
Zero+ meets standard.
84% less $meal
82% less $meal
87% less $meal
89% less $meal
88% 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.