Arrowview Middle (Data source)
Source data for Arrowview 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 | 2059389 | 2446 | - | 2552 | = | -106 | * | (196 | / | 1018) | = | -20.40864439 | ||
7 | 2059390 | 2482 | - | 2567 | = | -85 | * | (421 | / | 1018) | = | -35.15225932 | ||
8 | 2059393 | 2498 | - | 2586 | = | -88 | * | (401 | / | 1018) | = | -34.66404709 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Arrowview Middle | -90 |
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 | 63289 | 2452 | - | 2552 | = | -100 | * | (210 | / | 1091) | = | -19.2483959 | ||
7 | 63291 | 2496 | - | 2567 | = | -71 | * | (428 | / | 1091) | = | -27.85334551 | ||
8 | 63293 | 2503 | - | 2586 | = | -83 | * | (453 | / | 1091) | = | -34.46287803 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Arrowview Middle | -82 |
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 | 65078 | 2472 | - | 2552 | = | -80 | * | (211 | / | 1045) | = | -16.15311 | ||
7 | 65080 | 2480 | - | 2567 | = | -87 | * | (423 | / | 1045) | = | -35.21626786 | ||
8 | 65082 | 2507 | - | 2586 | = | -79 | * | (411 | / | 1045) | = | -31.07081337 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Arrowview Middle | -82 |
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 | 65168 | 2460 | - | 2552 | = | -92 | * | (211 | / | 1044) | = | -18.59386967 | ||
7 | 65170 | 2470 | - | 2567 | = | -97 | * | (425 | / | 1044) | = | -39.48754783 | ||
8 | 65172 | 2487 | - | 2586 | = | -99 | * | (408 | / | 1044) | = | -38.6896551 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Arrowview Middle | -97 |
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 | 65537 | 2466 | - | 2552 | = | -86 | * | (197 | / | 1077) | = | -15.73073352 | ||
7 | 65538 | 2496 | - | 2567 | = | -71 | * | (477 | / | 1077) | = | -31.44568239 | ||
8 | 65539 | 2507 | - | 2586 | = | -79 | * | (403 | / | 1077) | = | -29.56081708 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Arrowview Middle | -77 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-90 | -82 | -82 | -97 | -77 | -428.0 | -85.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -64.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -106.6
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 | 96% | 96% | 90% | 94% | 94% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Bernardino City Unified school district County of San Bernardino
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.
Arrowview Middle math proficiency
Zero+ meets standard.
91% less $meal
90% less $meal
85% less $meal
90% less $meal
91% 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.