McKinley Elementary (Data source)
Source data for McKinley 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 | 2457854 | 2361 | - | 2436 | = | -75 | * | (93 | / | 521) | = | -13.38771593 | ||
| 4 | 2457855 | 2423 | - | 2485 | = | -62 | * | (91 | / | 521) | = | -10.82917463 | ||
| 5 | 2457858 | 2437 | - | 2528 | = | -91 | * | (95 | / | 521) | = | -16.59309015 | ||
| 6 | 2457859 | 2454 | - | 2552 | = | -98 | * | (75 | / | 521) | = | -14.10748553 | ||
| 7 | 2457862 | 2456 | - | 2567 | = | -111 | * | (68 | / | 521) | = | -14.48752397 | ||
| 8 | 2457863 | 2485 | - | 2586 | = | -101 | * | (99 | / | 521) | = | -19.19193849 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for McKinley Elementary | -89 | ||||||||||||
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 | 74967 | 2389 | - | 2436 | = | -47 | * | (92 | / | 520) | = | -8.31538457 | ||
| 4 | 74970 | 2418 | - | 2485 | = | -67 | * | (95 | / | 520) | = | -12.24038457 | ||
| 5 | 74971 | 2433 | - | 2528 | = | -95 | * | (92 | / | 520) | = | -16.80769222 | ||
| 6 | 74973 | 2458 | - | 2552 | = | -94 | * | (95 | / | 520) | = | -17.17307686 | ||
| 7 | 74976 | 2472 | - | 2567 | = | -95 | * | (85 | / | 520) | = | -15.52884611 | ||
| 8 | 74978 | 2516 | - | 2586 | = | -70 | * | (61 | / | 520) | = | -8.21153844 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for McKinley Elementary | -78 | ||||||||||||
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 | 76977 | 2396 | - | 2436 | = | -40 | * | (86 | / | 552) | = | -6.23188404 | ||
| 4 | 76978 | 2419 | - | 2485 | = | -66 | * | (95 | / | 552) | = | -11.35869563 | ||
| 5 | 76980 | 2427 | - | 2528 | = | -101 | * | (97 | / | 552) | = | -17.74818834 | ||
| 6 | 76982 | 2453 | - | 2552 | = | -99 | * | (98 | / | 552) | = | -17.57608687 | ||
| 7 | 76984 | 2483 | - | 2567 | = | -84 | * | (93 | / | 552) | = | -14.15217384 | ||
| 8 | 76986 | 2481 | - | 2586 | = | -105 | * | (83 | / | 552) | = | -15.78804339 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for McKinley Elementary | -83 | ||||||||||||
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 | 77166 | 2365 | - | 2436 | = | -71 | * | (81 | / | 536) | = | -10.72947754 | ||
| 4 | 77168 | 2416 | - | 2485 | = | -69 | * | (87 | / | 536) | = | -11.19962681 | ||
| 5 | 77170 | 2429 | - | 2528 | = | -99 | * | (91 | / | 536) | = | -16.80783578 | ||
| 6 | 77172 | 2425 | - | 2552 | = | -127 | * | (94 | / | 536) | = | -22.27238802 | ||
| 7 | 77174 | 2473 | - | 2567 | = | -94 | * | (95 | / | 536) | = | -16.66044767 | ||
| 8 | 77176 | 2511 | - | 2586 | = | -75 | * | (88 | / | 536) | = | -12.3134328 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for McKinley Elementary | -90 | ||||||||||||
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 | 77688 | 2398 | - | 2436 | = | -38 | * | (113 | / | 561) | = | -7.65418891 | ||
| 4 | 77689 | 2399 | - | 2485 | = | -86 | * | (83 | / | 561) | = | -12.72370765 | ||
| 5 | 77690 | 2425 | - | 2528 | = | -103 | * | (85 | / | 561) | = | -15.60606055 | ||
| 6 | 77691 | 2456 | - | 2552 | = | -96 | * | (90 | / | 561) | = | -15.40106947 | ||
| 7 | 77692 | 2477 | - | 2567 | = | -90 | * | (94 | / | 561) | = | -15.08021388 | ||
| 8 | 77693 | 2527 | - | 2586 | = | -59 | * | (96 | / | 561) | = | -10.09625665 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for McKinley Elementary | -77 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -89 | -78 | -83 | -90 | -77 | -417.0 | -83.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -65.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.4
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 | 80% | 88% | 89% | 86% | 84% |
| 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.
McKinley Elementary math proficiency
Zero+ meets standard.
77% less $meal
83% less $meal
84% less $meal
84% less $meal
82% 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.