Planz Elementary (Data source)
Source data for Planz 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 | 506052 | 2406 | - | 2436 | = | -30 | * | (130 | / | 331) | = | -11.78247732 | ||
4 | 506055 | 2417 | - | 2485 | = | -68 | * | (100 | / | 331) | = | -20.5438066 | ||
5 | 506056 | 2452 | - | 2528 | = | -76 | * | (101 | / | 331) | = | -23.19033228 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Planz Elementary | -56 |
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 | 16057 | 2427 | - | 2436 | = | -9 | * | (113 | / | 328) | = | -3.10060976 | ||
4 | 16059 | 2430 | - | 2485 | = | -55 | * | (120 | / | 328) | = | -20.12195119 | ||
5 | 16061 | 2444 | - | 2528 | = | -84 | * | (95 | / | 328) | = | -24.32926826 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Planz Elementary | -48 |
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 | 16379 | 2439 | - | 2436 | = | 3 | * | (125 | / | 354) | = | 1.05932203 | ||
4 | 16381 | 2456 | - | 2485 | = | -29 | * | (107 | / | 354) | = | -8.76553672 | ||
5 | 16382 | 2459 | - | 2528 | = | -69 | * | (122 | / | 354) | = | -23.77966099 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Planz Elementary | -31 |
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 | 16392 | 2435 | - | 2436 | = | -1 | * | (116 | / | 357) | = | -0.32492997 | ||
4 | 16393 | 2486 | - | 2485 | = | 1 | * | (124 | / | 357) | = | 0.34733894 | ||
5 | 16396 | 2464 | - | 2528 | = | -64 | * | (117 | / | 357) | = | -20.97478989 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Planz Elementary | -21 |
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 | 16523 | 2412 | - | 2436 | = | -24 | * | (115 | / | 363) | = | -7.60330577 | ||
4 | 16524 | 2443 | - | 2485 | = | -42 | * | (117 | / | 363) | = | -13.53719006 | ||
5 | 16525 | 2444 | - | 2528 | = | -84 | * | (131 | / | 363) | = | -30.31404953 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Planz Elementary | -51 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-56 | -48 | -31 | -21 | -51 | -207.0 | -41.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 0.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -83.4
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 | 81% | 91% | 86% | 92% | 95% |
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.
Planz Elementary math proficiency
Zero+ meets standard.

73% less $meal

83% less $meal

78% less $meal

84% less $meal

87% 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.
Elementary School (Public) schools in Greenfield Union (8)
Fairview Elementary | Granite Pointe Elementary | Horizon Elementary |
Plantation Elementary | Planz Elementary | Raffaello Palla Elementary |
Valle Verde Elementary | W. A. Kendrick Elementary |