Martha Baldwin Elementary (Data source)
Source data for Martha Baldwin 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 | 1212441 | 2462 | - | 2436 | = | 26 | * | (140 | / | 775) | = | 4.69677419 | ||
4 | 1212442 | 2485 | - | 2485 | = | 0 | * | (118 | / | 775) | = | 0.0 | ||
5 | 1212445 | 2519 | - | 2528 | = | -9 | * | (131 | / | 775) | = | -1.52129032 | ||
6 | 1212446 | 2540 | - | 2552 | = | -12 | * | (116 | / | 775) | = | -1.79612903 | ||
7 | 1212449 | 2617 | - | 2567 | = | 50 | * | (128 | / | 775) | = | 8.2580645 | ||
8 | 1212450 | 2617 | - | 2586 | = | 31 | * | (142 | / | 775) | = | 5.67999999 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Martha Baldwin Elementary | 15 |
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 | 37682 | 2477 | - | 2436 | = | 41 | * | (114 | / | 755) | = | 6.19072846 | ||
4 | 37684 | 2509 | - | 2485 | = | 24 | * | (141 | / | 755) | = | 4.48211918 | ||
5 | 37685 | 2537 | - | 2528 | = | 9 | * | (117 | / | 755) | = | 1.39470198 | ||
6 | 37688 | 2566 | - | 2552 | = | 14 | * | (134 | / | 755) | = | 2.4847682 | ||
7 | 37689 | 2609 | - | 2567 | = | 42 | * | (117 | / | 755) | = | 6.50860925 | ||
8 | 37692 | 2625 | - | 2586 | = | 39 | * | (132 | / | 755) | = | 6.81854304 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Martha Baldwin Elementary | 28 |
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 | 38537 | 2486 | - | 2436 | = | 50 | * | (129 | / | 763) | = | 8.4534731 | ||
4 | 38539 | 2510 | - | 2485 | = | 25 | * | (113 | / | 763) | = | 3.70249015 | ||
5 | 38542 | 2522 | - | 2528 | = | -6 | * | (143 | / | 763) | = | -1.12450852 | ||
6 | 38543 | 2561 | - | 2552 | = | 9 | * | (123 | / | 763) | = | 1.45085189 | ||
7 | 38545 | 2628 | - | 2567 | = | 61 | * | (134 | / | 763) | = | 10.71297506 | ||
8 | 38547 | 2606 | - | 2586 | = | 20 | * | (121 | / | 763) | = | 3.17169068 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Martha Baldwin Elementary | 26 |
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 | 38512 | 2498 | - | 2436 | = | 62 | * | (132 | / | 769) | = | 10.64239269 | ||
4 | 38515 | 2509 | - | 2485 | = | 24 | * | (127 | / | 769) | = | 3.96358906 | ||
5 | 38517 | 2531 | - | 2528 | = | 3 | * | (116 | / | 769) | = | 0.45253576 | ||
6 | 38519 | 2542 | - | 2552 | = | -10 | * | (139 | / | 769) | = | -1.80754226 | ||
7 | 38520 | 2628 | - | 2567 | = | 61 | * | (123 | / | 769) | = | 9.75682702 | ||
8 | 38523 | 2624 | - | 2586 | = | 38 | * | (132 | / | 769) | = | 6.52275681 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Martha Baldwin Elementary | 30 |
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 | 38713 | 2491 | - | 2436 | = | 55 | * | (95 | / | 730) | = | 7.15753423 | ||
4 | 38714 | 2546 | - | 2485 | = | 61 | * | (130 | / | 730) | = | 10.86301365 | ||
5 | 38715 | 2520 | - | 2528 | = | -8 | * | (127 | / | 730) | = | -1.39178082 | ||
6 | 38716 | 2567 | - | 2552 | = | 15 | * | (118 | / | 730) | = | 2.42465753 | ||
7 | 38717 | 2628 | - | 2567 | = | 61 | * | (138 | / | 730) | = | 11.5315068 | ||
8 | 38718 | 2629 | - | 2586 | = | 43 | * | (122 | / | 730) | = | 7.18630134 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Martha Baldwin Elementary | 38 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
15 | 28 | 26 | 30 | 38 | 137.0 | 27.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 51.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 3.4
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 | 65% | 65% | 60% | 64% | 60% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alhambra Unified school district | County of Los Angeles
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.
Martha Baldwin Elementary math proficiency
Zero+ meets standard.
51% less $meal
50% less $meal
44% less $meal
53% less $meal
49% 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.