McKee Middle (Data source)
Source data for McKee Middle
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 |
||
6 | 504020 | 2478 | - | 2552 | = | -74 | * | (294 | / | 912) | = | -23.85526315 | ||
7 | 504023 | 2476 | - | 2567 | = | -91 | * | (325 | / | 912) | = | -32.42872806 | ||
8 | 504024 | 2517 | - | 2586 | = | -69 | * | (293 | / | 912) | = | -22.1677631 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for McKee Middle | -78 |
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 |
||
6 | 15995 | 2480 | - | 2552 | = | -72 | * | (336 | / | 952) | = | -25.41176467 | ||
7 | 15997 | 2492 | - | 2567 | = | -75 | * | (296 | / | 952) | = | -23.31932768 | ||
8 | 15999 | 2542 | - | 2586 | = | -44 | * | (320 | / | 952) | = | -14.78991593 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for McKee Middle | -64 |
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 |
||
6 | 16317 | 2512 | - | 2552 | = | -40 | * | (368 | / | 1018) | = | -14.45972492 | ||
7 | 16319 | 2488 | - | 2567 | = | -79 | * | (340 | / | 1018) | = | -26.38506875 | ||
8 | 16320 | 2540 | - | 2586 | = | -46 | * | (310 | / | 1018) | = | -14.00785854 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for McKee Middle | -55 |
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 |
||
6 | 16332 | 2490 | - | 2552 | = | -62 | * | (323 | / | 1007) | = | -19.88679239 | ||
7 | 16333 | 2492 | - | 2567 | = | -75 | * | (355 | / | 1007) | = | -26.43992055 | ||
8 | 16336 | 2532 | - | 2586 | = | -54 | * | (329 | / | 1007) | = | -17.64250243 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for McKee Middle | -64 |
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 |
||
6 | 16463 | 2517 | - | 2552 | = | -35 | * | (336 | / | 1022) | = | -11.50684931 | ||
7 | 16464 | 2502 | - | 2567 | = | -65 | * | (329 | / | 1022) | = | -20.92465752 | ||
8 | 16465 | 2530 | - | 2586 | = | -56 | * | (357 | / | 1022) | = | -19.56164381 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for McKee Middle | -52 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-78 | -64 | -55 | -64 | -52 | -313.0 | -62.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.6
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 | 78% | 86% | 83% | 89% | 92% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Greenfield Union school district | County of Kern
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.
McKee Middle math proficiency
Zero+ meets standard.

66% less $meal

76% less $meal

72% less $meal

79% 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.
Intermediate/Middle Schools (Public) schools in Greenfield Union (3)
Greenfield Middle | Leon H. Ollivier Middle | McKee Middle |