Harrison Elementary (Data source)
Source data for Harrison 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 | 1092424 | 2435 | - | 2436 | = | -1 | * | (40 | / | 276) | = | -0.14492754 | ||
4 | 1092427 | 2417 | - | 2485 | = | -68 | * | (48 | / | 276) | = | -11.82608692 | ||
5 | 1092428 | 2424 | - | 2528 | = | -104 | * | (46 | / | 276) | = | -17.33333326 | ||
6 | 1092431 | 2476 | - | 2552 | = | -76 | * | (44 | / | 276) | = | -12.11594196 | ||
7 | 1092432 | 2514 | - | 2567 | = | -53 | * | (39 | / | 276) | = | -7.48913039 | ||
8 | 1092435 | 2535 | - | 2586 | = | -51 | * | (59 | / | 276) | = | -10.90217387 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Harrison Elementary | -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 | 34190 | 2429 | - | 2436 | = | -7 | * | (44 | / | 244) | = | -1.26229508 | ||
4 | 34191 | 2442 | - | 2485 | = | -43 | * | (39 | / | 244) | = | -6.8729508 | ||
5 | 34194 | 2436 | - | 2528 | = | -92 | * | (45 | / | 244) | = | -16.96721307 | ||
6 | 34196 | 2413 | - | 2552 | = | -139 | * | (45 | / | 244) | = | -25.63524583 | ||
7 | 34197 | 2514 | - | 2567 | = | -53 | * | (38 | / | 244) | = | -8.25409831 | ||
8 | 34200 | 2530 | - | 2586 | = | -56 | * | (33 | / | 244) | = | -7.57377046 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Harrison Elementary | -67 |
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 | 34802 | 2421 | - | 2436 | = | -15 | * | (42 | / | 235) | = | -2.68085106 | ||
4 | 34803 | 2421 | - | 2485 | = | -64 | * | (48 | / | 235) | = | -13.07234042 | ||
5 | 34806 | 2492 | - | 2528 | = | -36 | * | (36 | / | 235) | = | -5.5148936 | ||
6 | 34807 | 2452 | - | 2552 | = | -100 | * | (39 | / | 235) | = | -16.5957446 | ||
7 | 34810 | 2464 | - | 2567 | = | -103 | * | (39 | / | 235) | = | -17.09361694 | ||
8 | 34811 | 2535 | - | 2586 | = | -51 | * | (31 | / | 235) | = | -6.72765954 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Harrison Elementary | -62 |
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 | 34812 | 2432 | - | 2436 | = | -4 | * | (28 | / | 228) | = | -0.49122807 | ||
4 | 34814 | 2411 | - | 2485 | = | -74 | * | (43 | / | 228) | = | -13.95614033 | ||
5 | 34816 | 2460 | - | 2528 | = | -68 | * | (46 | / | 228) | = | -13.71929818 | ||
6 | 34818 | 2488 | - | 2552 | = | -64 | * | (37 | / | 228) | = | -10.38596486 | ||
7 | 34820 | 2476 | - | 2567 | = | -91 | * | (35 | / | 228) | = | -13.96929816 | ||
8 | 34822 | 2465 | - | 2586 | = | -121 | * | (39 | / | 228) | = | -20.69736835 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Harrison Elementary | -73 |
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 | 34989 | 2442 | - | 2436 | = | 6 | * | (45 | / | 229) | = | 1.1790393 | ||
4 | 34990 | 2430 | - | 2485 | = | -55 | * | (26 | / | 229) | = | -6.24454144 | ||
5 | 34991 | 2457 | - | 2528 | = | -71 | * | (39 | / | 229) | = | -12.091703 | ||
6 | 34992 | 2484 | - | 2552 | = | -68 | * | (47 | / | 229) | = | -13.95633183 | ||
7 | 34993 | 2505 | - | 2567 | = | -62 | * | (37 | / | 229) | = | -10.01746722 | ||
8 | 34994 | 2460 | - | 2586 | = | -126 | * | (35 | / | 229) | = | -19.2576418 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Harrison Elementary | -60 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-60 | -67 | -62 | -73 | -60 | -322.0 | -64.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -49.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.4
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 | 91% | 89% | 88% | 90% | 88% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pomona 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.
Harrison Elementary math proficiency
Zero+ meets standard.
78% less $meal
76% less $meal
77% less $meal
82% less $meal
81% 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.