Lorbeer Middle (Data source)
Source data for Lorbeer 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 |
||
7 | 1098177 | 2524 | - | 2567 | = | -43 | * | (363 | / | 735) | = | -21.23673469 | ||
8 | 1098180 | 2527 | - | 2586 | = | -59 | * | (372 | / | 735) | = | -29.86122443 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lorbeer Middle | -51 |
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 |
||
7 | 34375 | 2525 | - | 2567 | = | -42 | * | (359 | / | 727) | = | -20.74002748 | ||
8 | 34378 | 2539 | - | 2586 | = | -47 | * | (368 | / | 727) | = | -23.79092159 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lorbeer Middle | -45 |
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 |
||
7 | 34987 | 2516 | - | 2567 | = | -51 | * | (354 | / | 707) | = | -25.53606786 | ||
8 | 34990 | 2521 | - | 2586 | = | -65 | * | (353 | / | 707) | = | -32.45403109 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lorbeer Middle | -58 |
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 |
||
7 | 34997 | 2535 | - | 2567 | = | -32 | * | (323 | / | 678) | = | -15.24483773 | ||
8 | 34999 | 2536 | - | 2586 | = | -50 | * | (355 | / | 678) | = | -26.179941 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lorbeer Middle | -41 |
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 |
||
7 | 35171 | 2534 | - | 2567 | = | -33 | * | (320 | / | 635) | = | -16.62992123 | ||
8 | 35172 | 2540 | - | 2586 | = | -46 | * | (315 | / | 635) | = | -22.81889763 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lorbeer Middle | -39 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-51 | -45 | -58 | -41 | -39 | -234.0 | -46.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -25.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.8
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 | 53% | 56% | 59% | 60% | 77% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pomona Unified school district County of Los Angeles
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.
Lorbeer Middle math proficiency
Zero+ meets standard.
40% less $meal
43% less $meal
45% less $meal
50% less $meal
59% 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 Pomona Unified (4)
Emerson Middle | Lorbeer Middle | Marshall Middle |
Simons Middle |