Hudson K-8 (Data source)
Source data for Hudson K-8
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 | 770416 | 2415 | - | 2436 | = | -21 | * | (66 | / | 582) | = | -2.38144328 | ||
4 | 770417 | 2418 | - | 2485 | = | -67 | * | (81 | / | 582) | = | -9.32474222 | ||
5 | 770420 | 2491 | - | 2528 | = | -37 | * | (103 | / | 582) | = | -6.54810997 | ||
6 | 770421 | 2468 | - | 2552 | = | -84 | * | (123 | / | 582) | = | -17.7525773 | ||
7 | 770424 | 2515 | - | 2567 | = | -52 | * | (96 | / | 582) | = | -8.57731956 | ||
8 | 770425 | 2506 | - | 2586 | = | -80 | * | (113 | / | 582) | = | -15.532646 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Hudson K-8 | -60 |
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 | 24170 | 2389 | - | 2436 | = | -47 | * | (81 | / | 561) | = | -6.78609622 | ||
4 | 24172 | 2440 | - | 2485 | = | -45 | * | (73 | / | 561) | = | -5.85561497 | ||
5 | 24174 | 2466 | - | 2528 | = | -62 | * | (79 | / | 561) | = | -8.73083777 | ||
6 | 24177 | 2487 | - | 2552 | = | -65 | * | (110 | / | 561) | = | -12.74509802 | ||
7 | 24178 | 2518 | - | 2567 | = | -49 | * | (114 | / | 561) | = | -9.95721924 | ||
8 | 24181 | 2530 | - | 2586 | = | -56 | * | (104 | / | 561) | = | -10.38146166 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Hudson K-8 | -54 |
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 | 24672 | 2432 | - | 2436 | = | -4 | * | (67 | / | 533) | = | -0.50281426 | ||
4 | 24673 | 2406 | - | 2485 | = | -79 | * | (83 | / | 533) | = | -12.30206375 | ||
5 | 24675 | 2444 | - | 2528 | = | -84 | * | (87 | / | 533) | = | -13.71106934 | ||
6 | 24678 | 2500 | - | 2552 | = | -52 | * | (73 | / | 533) | = | -7.1219512 | ||
7 | 24679 | 2508 | - | 2567 | = | -59 | * | (109 | / | 533) | = | -12.06566603 | ||
8 | 24681 | 2524 | - | 2586 | = | -62 | * | (114 | / | 533) | = | -13.26078797 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Hudson K-8 | -59 |
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 | 24695 | 2428 | - | 2436 | = | -8 | * | (72 | / | 489) | = | -1.1779141 | ||
4 | 24696 | 2453 | - | 2485 | = | -32 | * | (75 | / | 489) | = | -4.90797546 | ||
5 | 24699 | 2448 | - | 2528 | = | -80 | * | (84 | / | 489) | = | -13.74233128 | ||
6 | 24700 | 2484 | - | 2552 | = | -68 | * | (76 | / | 489) | = | -10.5685071 | ||
7 | 24703 | 2513 | - | 2567 | = | -54 | * | (72 | / | 489) | = | -7.9509202 | ||
8 | 24704 | 2533 | - | 2586 | = | -53 | * | (110 | / | 489) | = | -11.92229038 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Hudson K-8 | -50 |
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 | 24867 | 2408 | - | 2436 | = | -28 | * | (69 | / | 457) | = | -4.2275711 | ||
4 | 24868 | 2446 | - | 2485 | = | -39 | * | (81 | / | 457) | = | -6.91247263 | ||
5 | 24869 | 2468 | - | 2528 | = | -60 | * | (79 | / | 457) | = | -10.3719912 | ||
6 | 24870 | 2485 | - | 2552 | = | -67 | * | (75 | / | 457) | = | -10.9956236 | ||
7 | 24871 | 2504 | - | 2567 | = | -63 | * | (80 | / | 457) | = | -11.02844635 | ||
8 | 24872 | 2525 | - | 2586 | = | -61 | * | (73 | / | 457) | = | -9.74398244 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Hudson K-8 | -53 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-60 | -54 | -59 | -50 | -53 | -276.0 | -55.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.2
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 | 80% | 82% | 84% | 83% | 84% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Long Beach 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.
Hudson K-8 math proficiency
Zero+ meets standard.
66% less $meal
68% less $meal
69% less $meal
70% less $meal
74% 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.