Longfellow (Henry W.) Elementary (Data source)
Source data for Longfellow (Henry W.) 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 | 1083298 | 2441 | - | 2436 | = | 5 | * | (82 | / | 228) | = | 1.79824561 | ||
4 | 1083301 | 2441 | - | 2485 | = | -44 | * | (74 | / | 228) | = | -14.28070173 | ||
5 | 1083302 | 2464 | - | 2528 | = | -64 | * | (72 | / | 228) | = | -20.21052627 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Longfellow (Henry W.) Elementary | -33 |
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 | 33952 | 2445 | - | 2436 | = | 9 | * | (93 | / | 246) | = | 3.40243902 | ||
4 | 33954 | 2477 | - | 2485 | = | -8 | * | (80 | / | 246) | = | -2.60162602 | ||
5 | 33956 | 2468 | - | 2528 | = | -60 | * | (73 | / | 246) | = | -17.80487802 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Longfellow (Henry W.) Elementary | -17 |
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 | 34548 | 2445 | - | 2436 | = | 9 | * | (70 | / | 243) | = | 2.59259259 | ||
4 | 34550 | 2446 | - | 2485 | = | -39 | * | (89 | / | 243) | = | -14.28395062 | ||
5 | 34552 | 2463 | - | 2528 | = | -65 | * | (84 | / | 243) | = | -22.46913578 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Longfellow (Henry W.) Elementary | -34 |
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 | 34550 | 2466 | - | 2436 | = | 30 | * | (78 | / | 229) | = | 10.21834059 | ||
4 | 34552 | 2465 | - | 2485 | = | -20 | * | (63 | / | 229) | = | -5.5021834 | ||
5 | 34554 | 2470 | - | 2528 | = | -58 | * | (88 | / | 229) | = | -22.28820955 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Longfellow (Henry W.) 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 | 34722 | 2456 | - | 2436 | = | 20 | * | (71 | / | 211) | = | 6.7298578 | ||
4 | 34723 | 2473 | - | 2485 | = | -12 | * | (77 | / | 211) | = | -4.37914691 | ||
5 | 34724 | 2461 | - | 2528 | = | -67 | * | (63 | / | 211) | = | -20.00473933 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Longfellow (Henry W.) Elementary | -18 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-33 | -17 | -34 | -18 | -18 | -120.0 | -24.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 0.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -48.0
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 | 81% | 83% | 78% | 80% | 76% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pasadena 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.
Longfellow (Henry W.) Elementary math proficiency
Zero+ meets standard.
72% less $meal
72% less $meal
65% less $meal
72% less $meal
68% 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.