Killian Elementary (Data source)
Source data for Killian 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 | 1184600 | 2458 | - | 2436 | = | 22 | * | (95 | / | 376) | = | 5.55851063 | ||
4 | 1184601 | 2471 | - | 2485 | = | -14 | * | (94 | / | 376) | = | -3.5 | ||
5 | 1184604 | 2519 | - | 2528 | = | -9 | * | (87 | / | 376) | = | -2.0824468 | ||
6 | 1184605 | 2551 | - | 2552 | = | -1 | * | (100 | / | 376) | = | -0.26595745 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Killian Elementary | 0 |
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 | 36872 | 2471 | - | 2436 | = | 35 | * | (74 | / | 359) | = | 7.21448466 | ||
4 | 36873 | 2502 | - | 2485 | = | 17 | * | (95 | / | 359) | = | 4.49860724 | ||
5 | 36876 | 2517 | - | 2528 | = | -11 | * | (98 | / | 359) | = | -3.00278551 | ||
6 | 36878 | 2542 | - | 2552 | = | -10 | * | (92 | / | 359) | = | -2.56267409 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Killian Elementary | 6 |
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 | 37649 | 2472 | - | 2436 | = | 36 | * | (90 | / | 350) | = | 9.25714285 | ||
4 | 37651 | 2505 | - | 2485 | = | 20 | * | (71 | / | 350) | = | 4.05714284 | ||
5 | 37654 | 2515 | - | 2528 | = | -13 | * | (95 | / | 350) | = | -3.52857142 | ||
6 | 37655 | 2552 | - | 2552 | = | 0 | * | (94 | / | 350) | = | 0.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Killian Elementary | 10 |
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 | 37594 | 2460 | - | 2436 | = | 24 | * | (78 | / | 318) | = | 5.88679243 | ||
4 | 37596 | 2533 | - | 2485 | = | 48 | * | (81 | / | 318) | = | 12.22641509 | ||
5 | 37598 | 2520 | - | 2528 | = | -8 | * | (69 | / | 318) | = | -1.73584906 | ||
6 | 37600 | 2557 | - | 2552 | = | 5 | * | (90 | / | 318) | = | 1.41509434 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Killian Elementary | 18 |
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 | 37805 | 2465 | - | 2436 | = | 29 | * | (76 | / | 301) | = | 7.32225913 | ||
4 | 37806 | 2521 | - | 2485 | = | 36 | * | (76 | / | 301) | = | 9.08970098 | ||
5 | 37807 | 2537 | - | 2528 | = | 9 | * | (83 | / | 301) | = | 2.48172757 | ||
6 | 37808 | 2560 | - | 2552 | = | 8 | * | (66 | / | 301) | = | 1.75415282 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Killian Elementary | 21 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
0 | 6 | 10 | 18 | 21 | 55.0 | 11.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 31.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -4.25
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 | 56% | 55% | 57% | 63% | 64% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rowland 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.
Killian Elementary math proficiency
Zero+ meets standard.
40% less $meal
41% less $meal
41% less $meal
54% 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.