McKinna Elementary (Data source)
Source data for McKinna 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 | 3120546 | 2359 | - | 2436 | = | -77 | * | (102 | / | 361) | = | -21.75623265 | ||
| 4 | 3120549 | 2360 | - | 2485 | = | -125 | * | (138 | / | 361) | = | -47.7839335 | ||
| 5 | 3120550 | 2366 | - | 2528 | = | -162 | * | (121 | / | 361) | = | -54.29916891 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for McKinna Elementary | -124 | ||||||||||||
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 | 96247 | 2364 | - | 2436 | = | -72 | * | (121 | / | 353) | = | -24.67988662 | ||
| 4 | 96249 | 2376 | - | 2485 | = | -109 | * | (108 | / | 353) | = | -33.34844187 | ||
| 5 | 96251 | 2395 | - | 2528 | = | -133 | * | (124 | / | 353) | = | -46.71954667 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for McKinna Elementary | -105 | ||||||||||||
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 | 99034 | 2348 | - | 2436 | = | -88 | * | (108 | / | 341) | = | -27.8709677 | ||
| 4 | 99035 | 2392 | - | 2485 | = | -93 | * | (135 | / | 341) | = | -36.8181818 | ||
| 5 | 99038 | 2399 | - | 2528 | = | -129 | * | (98 | / | 341) | = | -37.07331374 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for McKinna Elementary | -102 | ||||||||||||
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 | 99189 | 2329 | - | 2436 | = | -107 | * | (120 | / | 341) | = | -37.65395891 | ||
| 4 | 99190 | 2379 | - | 2485 | = | -106 | * | (97 | / | 341) | = | -30.15249267 | ||
| 5 | 99193 | 2414 | - | 2528 | = | -114 | * | (124 | / | 341) | = | -41.45454538 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for McKinna Elementary | -109 | ||||||||||||
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 | 99855 | 2366 | - | 2436 | = | -70 | * | (112 | / | 325) | = | -24.12307688 | ||
| 4 | 99856 | 2381 | - | 2485 | = | -104 | * | (116 | / | 325) | = | -37.1199999 | ||
| 5 | 99857 | 2413 | - | 2528 | = | -115 | * | (97 | / | 325) | = | -34.32307687 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for McKinna Elementary | -96 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -124 | -105 | -102 | -109 | -96 | -536.0 | -107.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -77.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -137.2
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 | 91% | 93% | 89% | 93% | 78% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oxnard school district | County of Ventura
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.
McKinna Elementary math proficiency
Zero+ meets standard.
83% less $meal
84% less $meal
80% less $meal
86% less $meal
76% 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.