Kennedy Elementary (Data source)
Source data for Kennedy 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 | 2456816 | 2405 | - | 2436 | = | -31 | * | (64 | / | 328) | = | -6.04878048 | ||
| 4 | 2456818 | 2432 | - | 2485 | = | -53 | * | (69 | / | 328) | = | -11.14939021 | ||
| 5 | 2456819 | 2430 | - | 2528 | = | -98 | * | (57 | / | 328) | = | -17.03048773 | ||
| 6 | 2456822 | 2440 | - | 2552 | = | -112 | * | (36 | / | 328) | = | -12.29268286 | ||
| 7 | 2456823 | 2490 | - | 2567 | = | -77 | * | (34 | / | 328) | = | -7.98170727 | ||
| 8 | 2456826 | 2463 | - | 2586 | = | -123 | * | (68 | / | 328) | = | -25.49999998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Kennedy Elementary | -80 | ||||||||||||
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 | 74939 | 2405 | - | 2436 | = | -31 | * | (47 | / | 302) | = | -4.82450331 | ||
| 4 | 74942 | 2434 | - | 2485 | = | -51 | * | (67 | / | 302) | = | -11.3145695 | ||
| 5 | 74944 | 2464 | - | 2528 | = | -64 | * | (60 | / | 302) | = | -12.71523174 | ||
| 6 | 74945 | 2458 | - | 2552 | = | -94 | * | (62 | / | 302) | = | -19.29801322 | ||
| 7 | 74947 | 2453 | - | 2567 | = | -114 | * | (33 | / | 302) | = | -12.45695362 | ||
| 8 | 74950 | 2512 | - | 2586 | = | -74 | * | (33 | / | 302) | = | -8.0860927 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Kennedy Elementary | -69 | ||||||||||||
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 | 76948 | 2390 | - | 2436 | = | -46 | * | (64 | / | 342) | = | -8.60818709 | ||
| 4 | 76950 | 2415 | - | 2485 | = | -70 | * | (47 | / | 342) | = | -9.619883 | ||
| 5 | 76952 | 2436 | - | 2528 | = | -92 | * | (69 | / | 342) | = | -18.56140342 | ||
| 6 | 76954 | 2463 | - | 2552 | = | -89 | * | (68 | / | 342) | = | -17.6959064 | ||
| 7 | 76956 | 2457 | - | 2567 | = | -110 | * | (61 | / | 342) | = | -19.61988303 | ||
| 8 | 76959 | 2454 | - | 2586 | = | -132 | * | (33 | / | 342) | = | -12.7368421 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Kennedy Elementary | -87 | ||||||||||||
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 | 77138 | 2386 | - | 2436 | = | -50 | * | (54 | / | 359) | = | -7.52089135 | ||
| 4 | 77140 | 2406 | - | 2485 | = | -79 | * | (62 | / | 359) | = | -13.64345397 | ||
| 5 | 77142 | 2446 | - | 2528 | = | -82 | * | (55 | / | 359) | = | -12.56267404 | ||
| 6 | 77144 | 2441 | - | 2552 | = | -111 | * | (60 | / | 359) | = | -18.55153201 | ||
| 7 | 77146 | 2446 | - | 2567 | = | -121 | * | (67 | / | 359) | = | -22.58217265 | ||
| 8 | 77148 | 2445 | - | 2586 | = | -141 | * | (61 | / | 359) | = | -23.95821719 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Kennedy Elementary | -99 | ||||||||||||
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 | 77660 | 2369 | - | 2436 | = | -67 | * | (66 | / | 346) | = | -12.78034682 | ||
| 4 | 77661 | 2412 | - | 2485 | = | -73 | * | (48 | / | 346) | = | -10.12716758 | ||
| 5 | 77662 | 2445 | - | 2528 | = | -83 | * | (62 | / | 346) | = | -14.87283233 | ||
| 6 | 77663 | 2415 | - | 2552 | = | -137 | * | (48 | / | 346) | = | -19.00578025 | ||
| 7 | 77664 | 2472 | - | 2567 | = | -95 | * | (60 | / | 346) | = | -16.47398838 | ||
| 8 | 77665 | 2467 | - | 2586 | = | -119 | * | (62 | / | 346) | = | -21.32369937 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Kennedy Elementary | -95 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -80 | -69 | -87 | -99 | -95 | -430.0 | -86.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -50.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -122.0
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% | 78% | 83% | 83% | 69% |
| 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.
Kennedy Elementary math proficiency
Zero+ meets standard.
76% less $meal
76% less $meal
78% less $meal
79% less $meal
68% 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.