Belshaw Elementary (Data source)
Source data for Belshaw 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 | 181077 | 2380 | - | 2436 | = | -56 | * | (98 | / | 262) | = | -20.94656486 | ||
4 | 181080 | 2442 | - | 2485 | = | -43 | * | (85 | / | 262) | = | -13.95038164 | ||
5 | 181081 | 2430 | - | 2528 | = | -98 | * | (79 | / | 262) | = | -29.54961827 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Belshaw Elementary | -64 |
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 | 5446 | 2395 | - | 2436 | = | -41 | * | (85 | / | 260) | = | -13.40384612 | ||
4 | 5448 | 2416 | - | 2485 | = | -69 | * | (91 | / | 260) | = | -24.15 | ||
5 | 5450 | 2460 | - | 2528 | = | -68 | * | (84 | / | 260) | = | -21.96923076 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Belshaw Elementary | -60 |
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 | 5580 | 2395 | - | 2436 | = | -41 | * | (109 | / | 287) | = | -15.57142854 | ||
4 | 5582 | 2427 | - | 2485 | = | -58 | * | (87 | / | 287) | = | -17.5818815 | ||
5 | 5583 | 2431 | - | 2528 | = | -97 | * | (91 | / | 287) | = | -30.75609749 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Belshaw Elementary | -64 |
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 | 5573 | 2388 | - | 2436 | = | -48 | * | (92 | / | 286) | = | -15.44055941 | ||
4 | 5576 | 2417 | - | 2485 | = | -68 | * | (105 | / | 286) | = | -24.96503496 | ||
5 | 5577 | 2421 | - | 2528 | = | -107 | * | (89 | / | 286) | = | -33.29720278 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Belshaw Elementary | -74 |
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 | 5637 | 2384 | - | 2436 | = | -52 | * | (78 | / | 280) | = | -14.48571426 | ||
4 | 5638 | 2416 | - | 2485 | = | -69 | * | (96 | / | 280) | = | -23.6571428 | ||
5 | 5639 | 2418 | - | 2528 | = | -110 | * | (106 | / | 280) | = | -41.64285708 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Belshaw Elementary | -80 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-64 | -60 | -64 | -74 | -80 | -342.0 | -68.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -44.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.4
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 | 74% | 76% | 74% | 75% | 78% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Antioch Unified school district County of Contra Costa
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.
Belshaw Elementary math proficiency
Zero+ meets standard.
63% less $meal
68% less $meal
64% less $meal
69% less $meal
71% 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.