Taft Elementary (Data source)
Source data for Taft 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 | 2460769 | 2327 | - | 2436 | = | -109 | * | (58 | / | 257) | = | -24.5992217 | ||
4 | 2460772 | 2377 | - | 2485 | = | -108 | * | (39 | / | 257) | = | -16.38910498 | ||
5 | 2460773 | 2424 | - | 2528 | = | -104 | * | (43 | / | 257) | = | -17.4007782 | ||
6 | 2460776 | 2445 | - | 2552 | = | -107 | * | (38 | / | 257) | = | -15.82101165 | ||
7 | 2460777 | 2460 | - | 2567 | = | -107 | * | (46 | / | 257) | = | -19.15175088 | ||
8 | 2460780 | 2488 | - | 2586 | = | -98 | * | (33 | / | 257) | = | -12.58365756 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Taft Elementary | -106 |
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 | 75052 | 2323 | - | 2436 | = | -113 | * | (43 | / | 257) | = | -18.90661478 | ||
4 | 75054 | 2376 | - | 2485 | = | -109 | * | (46 | / | 257) | = | -19.50972753 | ||
5 | 75055 | 2398 | - | 2528 | = | -130 | * | (45 | / | 257) | = | -22.76264588 | ||
6 | 75057 | 2457 | - | 2552 | = | -95 | * | (38 | / | 257) | = | -14.04669259 | ||
7 | 75060 | 2460 | - | 2567 | = | -107 | * | (40 | / | 257) | = | -16.65369646 | ||
8 | 75062 | 2440 | - | 2586 | = | -146 | * | (45 | / | 257) | = | -25.5642023 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Taft Elementary | -117 |
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 | 77061 | 2329 | - | 2436 | = | -107 | * | (51 | / | 256) | = | -21.31640625 | ||
4 | 77062 | 2367 | - | 2485 | = | -118 | * | (36 | / | 256) | = | -16.59375 | ||
5 | 77064 | 2413 | - | 2528 | = | -115 | * | (45 | / | 256) | = | -20.21484375 | ||
6 | 77067 | 2406 | - | 2552 | = | -146 | * | (41 | / | 256) | = | -23.3828125 | ||
7 | 77068 | 2443 | - | 2567 | = | -124 | * | (44 | / | 256) | = | -21.3125 | ||
8 | 77070 | 2442 | - | 2586 | = | -144 | * | (39 | / | 256) | = | -21.9375 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Taft Elementary | -125 |
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 | 77250 | 2339 | - | 2436 | = | -97 | * | (79 | / | 303) | = | -25.29042898 | ||
4 | 77252 | 2392 | - | 2485 | = | -93 | * | (58 | / | 303) | = | -17.80198011 | ||
5 | 77254 | 2430 | - | 2528 | = | -98 | * | (34 | / | 303) | = | -10.99669966 | ||
6 | 77256 | 2406 | - | 2552 | = | -146 | * | (57 | / | 303) | = | -27.46534641 | ||
7 | 77258 | 2438 | - | 2567 | = | -129 | * | (37 | / | 303) | = | -15.75247522 | ||
8 | 77260 | 2468 | - | 2586 | = | -118 | * | (38 | / | 303) | = | -14.79867984 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Taft Elementary | -112 |
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 | 77772 | 2377 | - | 2436 | = | -59 | * | (53 | / | 278) | = | -11.24820144 | ||
4 | 77773 | 2391 | - | 2485 | = | -94 | * | (53 | / | 278) | = | -17.92086331 | ||
5 | 77774 | 2425 | - | 2528 | = | -103 | * | (54 | / | 278) | = | -20.00719421 | ||
6 | 77775 | 2455 | - | 2552 | = | -97 | * | (33 | / | 278) | = | -11.5143884 | ||
7 | 77776 | 2453 | - | 2567 | = | -114 | * | (49 | / | 278) | = | -20.09352509 | ||
8 | 77777 | 2426 | - | 2586 | = | -160 | * | (36 | / | 278) | = | -20.71942432 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Taft Elementary | -102 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-106 | -117 | -125 | -112 | -102 | -562.0 | -112.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -85.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -139.4
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 | 79% | 73% | 87% | 84% | 79% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Stockton Unified school district County of San Joaquin
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.
Taft Elementary math proficiency
Zero+ meets standard.
75% less $meal
68% less $meal
81% less $meal
81% less $meal
75% 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.