Walter Stiern Middle (Data source)
Source data for Walter Stiern 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 | 478841 | 2462 | - | 2552 | = | -90 | * | (255 | / | 996) | = | -23.04216864 | ||
7 | 478842 | 2465 | - | 2567 | = | -102 | * | (346 | / | 996) | = | -35.43373492 | ||
8 | 478845 | 2494 | - | 2586 | = | -92 | * | (395 | / | 996) | = | -36.48594374 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Walter Stiern Middle | -95 |
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 | 15188 | 2438 | - | 2552 | = | -114 | * | (257 | / | 983) | = | -29.8046795 | ||
7 | 15190 | 2466 | - | 2567 | = | -101 | * | (381 | / | 983) | = | -39.14649031 | ||
8 | 15191 | 2500 | - | 2586 | = | -86 | * | (345 | / | 983) | = | -30.18311289 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Walter Stiern Middle | -99 |
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 | 15504 | 2465 | - | 2552 | = | -87 | * | (242 | / | 1006) | = | -20.92842942 | ||
7 | 15506 | 2475 | - | 2567 | = | -92 | * | (389 | / | 1006) | = | -35.57455264 | ||
8 | 15508 | 2488 | - | 2586 | = | -98 | * | (375 | / | 1006) | = | -36.53081506 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Walter Stiern Middle | -93 |
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 | 15526 | 2449 | - | 2552 | = | -103 | * | (255 | / | 1033) | = | -25.42594377 | ||
7 | 15527 | 2478 | - | 2567 | = | -89 | * | (393 | / | 1033) | = | -33.85963206 | ||
8 | 15530 | 2499 | - | 2586 | = | -87 | * | (385 | / | 1033) | = | -32.42497578 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Walter Stiern Middle | -92 |
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 | 15639 | 2446 | - | 2552 | = | -106 | * | (246 | / | 1026) | = | -25.41520459 | ||
7 | 15640 | 2466 | - | 2567 | = | -101 | * | (400 | / | 1026) | = | -39.37621825 | ||
8 | 15641 | 2510 | - | 2586 | = | -76 | * | (380 | / | 1026) | = | -28.14814812 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Walter Stiern Middle | -93 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-95 | -99 | -93 | -92 | -93 | -472.0 | -94.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -88.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -100.4
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 | 93% | 92% | 94% | 93% | 92% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Bakersfield City school district County of Kern
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Walter Stiern Middle math proficiency
Zero+ meets standard.
85% less $meal
83% less $meal
85% less $meal
88% 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.
Intermediate/Middle Schools (Public) schools in Bakersfield City (9)
Chipman Junior High | Compton Junior High | Curran Middle |
Emerson Middle | Paul L. Cato Middle | Sequoia Middle |
Sierra Middle | Walter Stiern Middle | Washington Middle |